Photo by Melody

PlantFiles: Boysenberry
Rubus ursinus 'Thornless Boysenberry'

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Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rubus (ROO-bus) (Info)
Species: ursinus (ur-SEE-nus) (Info)
Cultivar: Thornless Boysenberry

9 members have or want this plant for trade.

Category:
Biennials
Edible Fruits and Nuts
Shrubs
Vines and Climbers

Height:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Spacing:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer

Foliage:
Grown for foliage
Herbaceous
Blue-Green
Smooth-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Requires consistently moist soil; do not let dry out between waterings
Suitable for growing in containers

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
By budding
By simple layering
By tip layering
By serpentine layering
By stooling or mound layering

Seed Collecting:
Remove fleshy coating on seeds before storing
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Ferment seeds before storing
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By chicochi3
Thumbnail #1 of Rubus ursinus by chicochi3

By chicochi3
Thumbnail #2 of Rubus ursinus by chicochi3

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Farmerdill On Nov 27, 2006, Farmerdill from Augusta, GA (Zone 8a) wrote:

From Just Fruits and Exotics: "Best jam-making berry around. Boysenberries are a flavor cross of raspberry and blackberry. Great flavor, and no thorns to boot! Thornless Boysenberry is a trailing plant that requires a trellis, and is self-pollinating. Ripens in July. "

Regional...

This plant has been said to grow in the following regions:

,
Tustin, California
Binghamton, New York
Brownsville, Oregon
Fairchilds, Texas
Marysville, Washington



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