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Asian plums with another Asian plum variety. Increase your harvest by pruning your peach tree in these easy steps. Do not apply insecticides during the bloom period. Except where indicated, cultivars listed on the left can be used as reliable pollinizers for cross-pollination. It adapts well to a wide range of soils and performs better than Mahaleb in clay soils. Produces fresh fruit for a delicious and nutritious snack. Zone 5 hb```\+ cb/l `tX SRi5k](`N: \D [\0`A$"RX*~ cBV5ABL7 if @Jio Z& endstream endobj 320 0 obj <>/Metadata 21 0 R/Pages 307 0 R/StructTreeRoot 44 0 R/Type/Catalog>> endobj 321 0 obj <>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 322 0 obj <>stream : The pollination scheme for national and introduced sweet cherry (Prunus avium L.) cultivars in growing regions of the Republic of Serbia Sweet cherry cultivars make an excellent graft union with Mazzard rootstocks and no sign of incompatibility has been detected. Each zone corresponds to the minimum winter temperatures experienced in a given area. Tree is spreading and early bearing. The MxM clonal rootstock selections are similar to Mahaleb seedling in vigour but offer more uniformity since they are clonally propagated. The bloom is self-fertile and blooms in mid season. We deliver across mainland Wales, Scotland, England & the Isle of Wight. 3 0 obj Looks good and tastes great in salads or dessert dishes. A chart is included to help you determine pollination needs. The tree is large and has been a consistently heavy cropper. Initial and final fruit set in sweet cherry cultivars as affected by different types of pollination Inicijalno i finalno zametanje plodova sorti trenje u zavisnosti od tipa opraivanja: : Radievi, Sanja Fruit is of excellent quality and very similar to Lambert. J nA\E rHn S$U>Dz*'B'LQ8P!8Gf=JOY\. The newly named cultivars are currently being protected under Plant Breeders Rights. In Ontario recommended sweet cherry cultivars flower at the same time, therefore, overlapping bloom improves cross-pollination among cultivars. kpp9tAJCazs'']c&n`k1f"Fxyf1i'Qc'&p`8s\%218I< Throughout the fruit growing districts of the province, actual harvest dates will differ from those in Table 2. Vigorous, upright growing tree. Supplies are limited so make sure you don't miss out next time by having us automatically notify you when it becomes available again. Read more about our warranty policy. Hedelfingen cherry, also known as Gant d'Hedelfingen or Garrafal Gedelfingen is a traditional variety from Germany. Vigorous trees bear early in the season. For other Asian plums, it is not clear which varieties serve as good cross pollinators of other varieties, and this remains an unresolved problem for experts and novices alike. Venus and Valera are the best mid-season black sweet cherries for Ontario. x D'E 36f8Q(^T/ Fruit is purplish-black and juicy. It is not self-fertile. The tree is very vigorous and upright and is difficult to manage while young. Hedelfingen Royalton Lambert Lapins Gold Sweetheart . Hedelfinger Cherry Tree 3-4ft Tall, Ready to Fruit, Juicy & Sweet Dark Cherries. Vigorous, hardy, productive variety. : For over 200 years, Stark Bro's has helped people around America provide delicious home-grown food for their families. B ro 2oL|;&9WQ sMKYm;vR;e'Pzt7`;JdJ-;N:})QJZbo}m!0uo/:)KI~#/DuJkBC:rM\ds-46-$7}G!aD}-*b]Gna? Valera is a sister seedling of Venus, but has darker colour, richer flavour and a more consistent crop record than Venus. Firm, sweet, juicy, purplish flesh. Hedelfingen is the cultivar most extensively planted in Ontario. It is not recommended for use in Ontario. * Free Shipping applies to standard orders shipping to the 48 lower contiguous states. There is concern that if trees over-cropped in the first few years that the trees will "runt out" or produce very little vegetative growth in the following years. Higher sugar and lower acid than Bing. Firm fruit with distinctive sweet flavor. Follow us on your favorite social networks and share what you grow! Is not recommended as a rootstock for sweet cherry. For plum, Toka, and South Dakota are two varieties that cross pollinate most other cold hardy Asian plum varieties. Read about the Stark Bro's history that spans over 200 years . We grow a good range of self fertile sweet cherry trees that do not need to be pollinated (that link takes you to a pre-filtered list, click 'Clear All' at the top of the refine menu to see all our cherries). The MxM clonal rootstock selections are similar to Mazzard seedling in vigour but offer more uniformity since they are clonally propagated. x\[o~@,F,";HIvmZ`ai[K33s^\s^zoE DgD", OwvyJ >OSY UZ&QdAZ+c,(cYu*J]_}"g/,+u(yQRW$Aw5yC.Vz+.(OVm\du7Mc:]E#DYDE'QjJC4T".REM%lo#WeayIRGZ$J2-i^U|psZ+Buzop/Z$$R(40U]o8qp@o3xAm6waOxN>,zp.}?4sst'>'6[i6m2_"%_ stream Fruit is firm with good flavour. <> Zone 5, Lambert- Very large, firm, heart-shaped cherry with black skin and very dark, sweet flesh. Will not cross pollinate with Bing or Royal Ann. All Rights Reserved. Stem length is medium to long. Enjoyable and elegant. 4 0 obj FeaturesAn old German variety discovered around 1850 and still grown extensively in Europe and North America. It produced larger trees with both sweet and tart cherry cultivars than those on either Mahaleb or Mazzard rootstocks. Trees on Mazzard seedling rootstocks are reported to be prone to some winter injury in colder districts. Remove the hives from the orchard after completion of pollination to avoid contamination of bees by spray material. The long-term data collected at Vineland show an average bloom date of between May 12 and 15 among different cultivars. Early season, high yielding cherry which matures the same time as Viva. Sweet cherry trees on this rootstock are vigorous and long-lived. Hedelfingen Type: Cherry: Synonyms 'Hedelfingen 1877', 'Geant d'Hedelfingen', ' Giant Hedelfingen', Hedelfingen Dark Sweet Cherry' Patent: Not Patented Species: Prunus avium . The varietal crossing or origin of this cherry is unknown. We love to keep in touch with our customers and talk about what's happening each season at Stark Bro's. Universal donors are very handy. In addition to Stella cherries, Black Gold and North Star sweet cherries are self-pollinating. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 11 0 R 12 0 R 13 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S>> Fruit trees that do not require cross pollination by a different variety are self-fruitful. In order for fruit to develop, flowers must first be pollinated. The following lists identify cherries grown in the experimental orchards at the University of Guelph, Department of Plant Agriculture, Vineland and Ridgetown College, Cedar Springs (* denotes Cedar Springs also, **denotes Cedar Springs only). To have a better experience, you need to: We're moving content over from an older government website. a universal donor in flowering group 3 will pollinate another other cherry tree in flowering groups 2,3 or 4 and from any row. Some varieties, e.g. The following cherry cultivars were described in the previous issue of this publication, but have been dropped because they are no longer considered important: Black Tartarian, Early Lyons, Early Rivers, Schmidt, Seneca, Vernon and Victor. hbbd``b`:$[@`. Bing, Lambert, Royal Ann/Napoleon, are also cross-unfruitful and cannot be depended upon to provide pollen for each other. Skin color is golden yellow with a considerable red blush. Spraying of virus-infected trees with gibberellic acid (for detailed information refer to latest issue of Ontario Ministry of Agriculture and Food Publication 360, Fruit Production Recommendations) and removing of young trees showing virus symptoms before they come into bearing will ensure better crop production. Tree is precocious and very productive. Trees are small, productive, self-fruitful, very hardy, and claimed to be resistant to leaf spot. It is susceptible to Armillaria Root Rot. A medium-sized, dark-fleshed, good-quality black cherry maturing with Windsor. The . Bloom/fruit thinning, irrigation and preventing tree stress is important in the early years of the tree to prevent tree stunting. This rootstock has been evaluated with different sweet and tart cherry cultivars and selections at Vineland. Use our easypollination checking toolto quickly find partners for a given cherry tree. Yields are average and cropping is consistent. There are a few instances where two varieties will not cross pollinate each other. Self fertile. Harvest dates are an important factor to fruit growers, sales agents, processors and nurserymen. Cultivars listed within Group 0 differ from the others in that they can pollinate each other as well as cultivars from other groups. for pollination because they are cross-compatible and bloom in a season where they will pollinate the respective variety. It's just that simple. endobj Must be planted with another cherry variety for pollination to occur.UsesProduces fresh fruit for a delicious and nutritious snack. endobj ** Pollen source cultivar Pollen . %PDF-1.5 A Hungarian cultivar introduced in 1984 and tested extensively in Michigan. Self fruitful. 703 0 obj <> endobj These appraisals apply only to Ontario conditions. However, more than half of our range, including . Here's a list that our experts recommend for this variety. A large fruited, early season cherry which matures one day after Viva. Trees are medium in size, spur-type in growth habit, very productive, self-fruitful, very hardy and claimed to be resistant to leaf spot. The trunks may be more susceptible to cold than Montmorency and therefore plant on excellent sites. Good pollinator for all sweet cherries. . Tree shape is moderately vigorous with an upright growth habit and becomes spreading as the tree matures. Dark Sweet Cherry Varieties Cavalier - An early season, medium size, firm, dark red Sweet Cherries on Colt rootstock can grow to 12-15 ft. in height. n &#oC eP? % Let us email you once or twice a week with our latest special offers & gift ideas, and/or our gardener's newsletter with advice & how to videos. JavaScript seems to be disabled in your browser. Since 1816, Stark Bro's has promised to provide customers with the very best fruit trees and plants. Fruit is firm with similar colour to Hedelfingen. Tree is very spreading, comes into production early, and fruit is well distributed. The tree has spreading wide-angle branches and produces few root suckers. CHERRY, Hedelfingen (sweet) 5-6 ft. branched $21.00 CRABAPPLE, Centurion 5-6 ft. branched $21.00 CRABAPPLE, Dolgo 5 . We urge readers to review our December article that focused on brine varieties, as it covers important information about unique features of Eastern . For example, the cultivar Bing (Group III) cannot successfully pollinate Emperor Francis, Napoleon (Royal Ann), Lambert or Vernon, but can set fruit on Windsor (Group II), Velvet, Victor, Viva, Vogue (Group IV), or any other cultivar not in Group III. A Hedelfingen x Victor seedling that ripens just ahead of Black Tartarian. Tree stunting is less of a problem but best management practices should also be followed. The tree is vigorous, comes into bearing early and has been a consistent cropper. wY,Od_SRV=bRnA <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 11 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S>> Fruit colour early before they are fully mature. They are self-fruitful, requiring no cross-pollination. Excellent for eating, canning and preserving. The pit is small and easily removed. It ripens one day later than Bing and is good for canning. Varieties that will pollinate Geante de Hedelfingen in our catalog. Precocity is medium to good with heavy cropping and occasionally over-cropping. Find compatible pollenizers for Geante de Hedelfingen sweet cherry trees, based on flowering group, parentage, self-fertility and other attributes. It ripens in the same season as Hedelfingen. 704 0 obj <> endobj 706 0 obj <>>>/Contents 707 0 R/StructParents 0/Tabs/S/CropBox[ 0 0 595.2199 842]/Rotate 0>> endobj 707 0 obj <>stream Recommendations developed from these trials should help prevent the planting of unsuitable cultivars and rootstocks. Zone 5, Utah State University sites use cookies. Ripens 1 day after Viva. 319 0 obj <> endobj 338 0 obj <>/Filter/FlateDecode/ID[<9A99C1E21BD9622CC16CD598F39AADA9><694A6B28C54A42BCBA5D421179EE1075>]/Index[319 39]/Info 318 0 R/Length 91/Prev 180081/Root 320 0 R/Size 358/Type/XRef/W[1 2 1]>>stream Its pollination timing will overlap that of Gold. Cultivars listed under "Limited Planting" have value, but their planting should be limited for various reasons. To ensure fruiting, only grow sweet cherries in hardiness zones 7a and 7b and tart cherries, in zones 5b, 6a, 6b, 7a and 7b. . Order at any time, and we won't take payment until your plants are ready to be shipped. Choose another variety Varieties that will pollinate Hedelfingen in our catalog BlackGold Find pollinators > It is susceptible to Armillaria Root Rot. Box 6000, Summerland, British Columbia, V0H 1Z0. (`T'hx5h5faC3)PZ zET 7Sm}*Dbmm(VHqPs8%$!Q$sI4 Delicious in pies, tarts, jams, and preserves. QE ;dLUSm?3^Pvmes0 #~oiT Learn about recommended cherry cultivars, harvest dates, pollination and rootstock. %PDF-1.4 % Most peach and tart cherry varieties are self-fertile and can be expected to bear fruit with pollen from the same tree or another tree of the same variety. Zone 5, Bing Exceptionally large fruit with dark burgundy skin almost black when fully ripe. Table 2, Average First Harvest Dates for Sweet and Tart Cherries, shows average dates of first commercial harvest of sweet and tart cherry cultivars at the University of Guelph, Department of Plant Agriculture, Vineland and Ridgetown College, Cedar Springs. The term "cultivar" is used throughout this Factsheet. 1 0 obj Sweet Cherries. Choose another variety Varieties that will pollinate Geante de Hedelfingen in our catalogue Stardust in stock Find pollinators > Introduced from England in 1907. Flowering group: 4; There are currently several named cherry cultivars that have been introduced and selections being tested developed from the breeding program from Agriculture And Agri-Food Canada (AAFC), Summerland, British Columbia. We'll align this page with the ontario.ca style guide in future updates. It is hardier than Bing and less susceptible to cracking. Pollination of Hedelfingen cherry trees Hedelfingen ( Prunus avium ) is in flowering group 3 . $]Akw> %02e 6V: endstream endobj startxref 0 %%EOF 357 0 obj <>stream H[ Face the hive opening south for best exposure to the sun and stimulation of early bee activity in the morning. Since 1816, Stark Bros has promised to provide customers with the very best fruit trees and plants. Flowering group: 3 The easiest solution to this problem is to select a variety that is known to be a good source of pollen for most other varieties. They bear fruit when one variety is planted alone. <> When growing any of these varieties, plant at least two other varieties for good cross pollination. Such trees become dwarfed and are normally short-lived. Similar in firmness and colour to Hedelfingen but it has a lower incidence of splits. The cherries have beautiful deep red color, sweet flavor, and crack-resistant skin. It is very productive and adapts to a wider range of soil types if well drained. Most sweet cherry varieties are self incompatible and the majority are also incompatible with other varieties within the same incompatibility . However, planting two or more varieties will ensure that trees consistently bear fruit. The year of obtaining the variety is marked as 1850, being Hedelfingen an antique variety similar to Bing. Inter-fruitful with Schmidt. Incompatibility exists among varieties of sweet cherry and plum that adds a level of complexity to their cross pollination needs. 3~B27gi\{[c\EBvfr8Rqj$}mvp# Xrv1O^DMt"EM#e8 Its outstanding feature is its self-fertility. However, more than half of our range, including all the earliest cropping cherries, will need a pollination partner to bear fruit. The USDA hardiness zones offer a guide to varieties that will grow well in certain climates. Fruit are less clustered on the tree than Vista and consequently less susceptible to brown rot. %PDF-1.5 Geante de Hedelfingen is not self-fertile and needs a pollination partner of a different variety nearby. Zone 5, Ranier A large crack resistant cherry. Results from previous experiments indicate that there are no differences in yield or growth of either Montmorency or Meteor cultivars on the different Mahaleb strains. Bloom Time : Early April Lambert is hardy and vigorous. al]wuhPpwc8ntl6/e\isiPvW[&]=W3X_1X"@iFB@@)0FG)(!qDP==zzBZ hh*s V Tree is spreading and early bearing. Fruit is firm, but colour is lighter than Hedelfingen. hedelfingen sweet cherry pollination. Such is the case with Seckel and Bartlett pears, an incompatible mix. Sweet cherry varieties that cross pollinate most others are Black Gold, Hedelfingen, Kristin, Lapins, Seneca, Stella, Regina, Valera, and White Gold. <> Hedelfingen is the cultivar most extensively planted in Ontario. Upright tree is vigorous and heavy bearing. They still need to be in the same flowering group or one up or one down but they can move down to any row in the chart e.g. It ripens 7-10 days after Northstar, at the beginning of August. Pollination Requirements: Hartland requires another Sweet Cherry like Kristin variety nearby for pollination. 1 0 obj Uses. The process of pollination begins when a pollen grain is deposited on the part of the flower called the stigma. High yielding, early-mid season cherry, maturing 2 days before Hedelfingen. A productive, good-quality, medium-large, semi-firm, heart-shaped black cherry with good crack resistance. It is harvested 7 days after Montmorency with fruit uniformly ripe at maturity. Cross-pollination by a different variety is key to its growing and bearing success. Recommendations for planting cultivars and adapted areas within the province have been determined by University of Guelph, Department of Plant Agriculture, Vineland, Agriculture and Agri-Food Canada (AAFC) and the Ontario Ministry of Agriculture and Food (OMAFRA). Trunk training in the early years is necessary for most sites. -u:iW96WI' |!B$(&IVn['>>cPlJK]izSwbqg-|+{CDD_o/b2 `LXL32~7C 3b3B@fL#P3uAlG^sdH[*C EeOK'BzQp&C*0wMd=z[U)80_|U)$}=uY>aW 8 *{.4MQ1UJvT)>&TyBhp6fW&&Ib+j=q`6v%'WJqh'sxJ-Z:Jl \YL2\!Q;TnvtrAC3I6e'7GdpX)K DGu`l%u4u5Li0(C_*aS\lLi[=W!)Fi~M.g68gL(+V f Fruit trees that require cross pollination by another variety are self-unfruitful. Also, various selections are covered under various restricted propagation agreements. Will not pollinate Lambert or Royal Ann. It is a more vigorous tree than Montmorency with superior branch angles and it is similar for its cherry leaf spot susceptibility and fruit brown rot. The pollen grain is prevented from growing through the floral tube and never reaches the ovule, so the blossom drops instead of growing into a fruit. A very old tart cherry of unknown origin. Large fruited, early season cherry with yields similar to Hedelfingen but more susceptible to cracking. Some apple varieties have an extra set of chromosomes and cannot be used for cross pollination because they have sterile pollen. We do use cookies, which are bits of code that stay on your browser. Tart cherry will not pollinate sweet cherry. Good pollinator for all sweet cherries. Disease resistant tree needs a pollinator such as Van or Stella. The tree is moderately vigorous with a slightly upright growth habit and a low to average yield potential. These are BARE ROOTED plants which can be planted from the end of October until April and will be dispatched as soon as the weather turns cold and they become dormant.The dispatch date depends on the Autumn temperature and varies from year to year. It is moderately tolerant to Armillaria Root Rot and adapts to a range of soils. Use any other sweet cherry to pollinate. It should be propagated only on Mazzard rootstock. Viscount is very similar to Bing and less susceptible to cracking. You must have JavaScript enabled in your browser to utilize the functionality of this website. A very precocious stock that produces a tree about 45% the size of Mazzard. Bees are ineffective in sweet cherry orchards without the proper combination of pollenizer cultivars. The average picking date at Vineland is July 22, about the same season as Stella. Ripens in mid June. Z$*{j84}@U uFT Used mostly as a pollinator for other varieties. Fruit is crisp with a sweet-tart flavor. A medium sized, semi-firm, long-stemmed, good-quality, dark red cherry, ripening a day later than Vista. % A large, shiny, firm, dark red cherry with a small pit. The number of pollinating trees versus crop trees generally varies between 5% and 10% depending on the variety and desired outcome of the crop. Larger, firmer and earlier than most white cultivars, Vega is too tart for dessert purposes until very ripe. For apple, it is enough to have two trees, each a different variety with similar bloom times, such as Honeycrisp and Golden Delicious. Flowering group: 3 Not self-fertile Picking: Late Available rootstocks: Semi-vigorous Sweetheart Find pollinators > Sweetheart is a self-fertile sweet cherry, which ripens late in the season. An entire section of our website dedicated to your growing success. Trees are small, upright, spreading, productive and hardy. Originated from the same geographical area as Mazzard but it is rarely found in the wild in Canada and the United States. Higher sugar and lower acid than Bing. If your trees or plants do not survive, please let us know within one year of delivery. cherry pollination process and provides a few suggestions to ensure adequate pollination and fruit set. The tree may be stunted when it is over-cropped. Zone 5, Utah Giant More flavorful, sweeter and larger than Bing or Lambert. %PDF-1.5 % Ministry of Agriculture, Food and Rural Affairs, Bing, Emperor Francis, Lambert, Napoleon (Royal Ann), Vernon, Hudson, Black Giant, Ursula Rivers, Rainier, Viscount, Mazzard V53-1, 53-2, 53-3, 53-4, 53-5, 53-6. )SY)9fjf llE {j) ^ w Growers are cautioned to plan cultivar arrangements in sweet cherry orchards carefully to ensure good cross-pollination for the cultivars being planted. Resistant to cracking. Where possible, cultivar suitability is linked to climatic zones. For a good cherry crop you will need a different variety other than your choice for pollination. Bing originated in the Pacific Coast region and is a major cultivar in Washington, Oregon, and British Columbia. 4 0 obj Vigorous, hardy, productive variety. A small, productive, light-coloured cherry, Windsor once was the main sweet cherry cultivar in Ontario, but since has decreased greatly. A large, firm, black, fair-quality cherry. It belongs to the same compatibility group as Hedelfingen, so it is incompatible with Hedelfingen, but it will pollenize Gold and visa-versa. Cultivar/rootstock interactions will need continued testing to find the most efficient combinations for orchard spacing and greatest performance. Others may have value only for special markets, for example, early cultivars for roadside stands. Trees adapt well to central leader training with wide angled branches. Tree is spreading. The large tree size of some strains appears due to low yields resulting from virus diseases. |`Nk2wgdK 7 z kEQs`DBoA8=U|!/q0eq./G^_DZu39Pn \6I4lpC>T>ssx%}Z*O3eRy2ve2O3wR14/>\Rjo:f.D|},N!65B5_I:sI(yHvr\ Good flavored, juicy, red flesh. Viva lacks the finish and firmness of Vista, but is highly resistant to splitting. We are a Somerset based mail order nursery, specialising in hedging, trees, shrubs, fruiting plants, roses, lavender & flower bulbs. Tree is hardy, vigorous and a very prolific bearer. W`25o>/K0xWecFrmo'% Z$yOyt8Ar|s&n('y>@-61T' B_iPQ4{IV#1,2[Am&,6\5:lhMj:a6(n72;=VdKL*E2U7b Use our easy pollination checking tool to quickly find partners for a given cherry tree. Incompatibility of sweet cherry cultivars on Mahaleb seedling rootstocks has been detected in different orchards for up to 6 years after planting. These triploid varieties are Baldwin, Boskoop, Bramleys Seedling, Crispin, Gravenstein, Jonagold, Mutsu, Rhode Island Greening, Ribbston Pippin, Roxbury Russet, Shizuka, Spigold, Wealthy, and Winesap. <> Management of tree vigour and crop load is extremely important to maintain good fruit size and quality. A large, black, firm, good-quality cherry susceptible to cracking. The production has been inconsistent in Niagara orchards in the past. Promising new cultivars that have not been extensively tested yet are recommended under "Trial Planting". Good pollinators for sweet cherries are Sam, Ulster, Hedelfingen, Stella, Van, Gold and Lapins. The pollen grain germinates and grows down through a floral tube or pistil that is connected to the ovule or unfertilized seed. Tree bears at a young age. 710 0 obj <<9b976cda3c529e39465ebce4af0359d5>]>>stream The selections have hardiness similar to Mahaleb. W*qRR)\J8K p).%J/\J8WjpFm8g:i P+\F'gp.#e3p2:9tr.? One of the best known commercial sweet cherries. Chelan Large firm round fruit with dark mahogany skin. @H2kqHgt8OE1y;&XR]xlD\E=V[ccyT%K@X--)vsEY[c8Hby(~4"JM:'k-11pIQ>}]/7w4&E}>O2w@:%/11p*u-#es^k#Kd`) XZ2\%MU48rWpzR(q x CsZ1d u_CP8Fd }5ZcFR#-616,dS>Ph SiYJ\I ;vR(;bj6_,-PNvXL|mR.% }. A growing legacy since 1816. Fruit is firm with similar colour to Hedelfingen. The inter-planting of other cultivars with Stella in British Columbia has not improved fruit set on Stella; hence, additional cross-pollination appears to be of no value for self-fruitful sweet cherry cultivars.