Boysenberry
Rubus ursinus 'Thornless Boysenberry'

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

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

Regional

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

,

Tustin, California

Binghamton, New York

Brownsville, Oregon

Needville, Texas

Marysville, Washington

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Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

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. "