11/12/19 1 Raspberries & Blackberries Presentation created by Krista Fay (1/30/19) Revised & presented by Marty Anfang (11/20/19) Raspberries & Blackberries Similar growing habits Raspberries • Crown & roots perennial -productive 4 - 15 years • Canes biennial -1 st yr leaves (primocanes) -2 nd yr berries (floricanes) -die after harvest • New canes develop each year Types • Summer-bearing & fall-bearing • Cultivars differ -fruit quality & appearance -fruiting season -flavor -growing needs -pest & disease resistance • Red, black, yellow, purple
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03 Raspberries & Blackberries 11-11-19 · 2019-11-03 · 11/12/19 3 Fall-bearing Raspberries Site • Full sun (N –S rows good)-shade grown plants remain small & produce tart fruit
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11/12/19
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Raspberries & BlackberriesPresentation created by Krista Fay (1/30/19)
Revised & presented by Marty Anfang (11/20/19)
Raspberries & Blackberries
Similar growing habits
Raspberries
• Crown & roots perennial -productive 4 - 15 years
• Canes biennial-1st yr leaves (primocanes) -2nd yr berries (floricanes) -die after harvest
Spotted Wing Drosophila• Ripening fruit attracts adult flies • Remove fruit on the ground• Same control measures as other berries
Aphids • Decline in cane vigor & fruit quality
Crown Borer• Larvae tunnel in base
of canes & crowns
• Canes wilt & droop
• Remove infected canes
• Registered insecticide
before bloom
Harvest• Collect dry fruit in peak of color
• When picked, ripe fruit detaches easily from the receptacle
-yields hollow-cored berry
• Does not ripen further in storage
• Harvest season 4 - 6 weeks (depending on cultivar)
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Blackberries
• Perennial• Extensive root system• Flowers & fruit larger than raspberry• Core retained with fruit • Primocanes & floricanes grow
simultaneously• Productive for 8 – 12 years
Types
• Trailing, semi-erect, & erect• Growth habit & fruit character differ
-Thorny & thornlessTrailing:• Canes grow to 12’ along ground• Excellent fruit quality & flavor • Smaller seeds• 10 -14 lbs fruit / plant• Season June - July (3 - 4 weeks)
Types continued…Semi Erect:• Thick 10’ semi-arching canes • Firm glossy fruit, large seeds• 25 - 55 lbs / plant• Season July - OctErect:• Stiff, upright, shorter canes• Fruit firm, large seeded, fair flavored • 4 - 6 lbs / plant• Season July - frost
Blackberries
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Planting
• Prepare site same as raspberries
• Tolerate varying soil conditions
• Set 3 – 6’ apart within row -distances vary with cultivar
• Space rows 8 – 10’ apart
Trellis
Trellis
• 4-wire trellis with cross arms
• 3-wire trellis
-6 canes in single bundle
->6 canes split part so
half goes to next plant in row
Freestanding
• Choose 5 - 7 canes • Head back below 4 ½ feet .
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Pruning
• Cut dead floricanes at ground level
in October
• Remove suckers that develop
between rows & hills
• Tip prune semi-erect when canes 5’
• Prune erect when canes 3’
Water & Fertilizer• Irrigate during fruit development &
harvest
• Can stop watering post-harvest
• Base fertilizer on length of primocane growth each year
Fruit rot• Less severe than raspberries• Ensure good air movement
between canes
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Harvest
• Berries are easily damaged
• Pick gently & collect in shallow containers
• Damaged fruit quickly rots
• Blackberries won’t ripen further after picking
Resources
http://pubs.wsu.eduhttp://extension.oregonstate.edu/catalog/http://cru84.cahe.wsu.edu/Raspberry cultivars for the Pacific Northwest(PNW655)Growing Small Fruits in the Home Garden(EM103E)
King County Master Gardener Programhttps://extension.wsu.edu/king/gardening/
Master Gardener Foundation of King Countyhttp://www.mgfkc.org/