Thornless Blackberry 'Chester'


Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rubus (ROO-bus) (Info)
Cultivar: Chester


Edible Fruits and Nuts

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Requires consistently moist soil; do not let dry out between waterings

Where to Grow:

Suitable for growing in containers


36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)


24-36 in. (60-90 cm)

36-48 in. (90-120 cm)


USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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



Bloom Color:

Unknown - Tell us

Bloom Time:

Late Winter/Early Spring

Mid Spring

Late Spring/Early Summer



Good Fall Color

Other details:

Unknown - Tell us

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

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


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


Berkeley, California

Lafayette, Louisiana

Danvers, Massachusetts

Binghamton, New York

Horseheads, New York

Westbury, New York

Lowgap, North Carolina

Humble, Texas

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Gardeners' Notes:


On Dec 19, 2005, Sarahskeeper from Brockton, MA (Zone 6a) wrote:

Large, mild flavored berries.
Good quantity over a 5 to 6 week period, mid July and August.
Stem growth is often lateral and may need staking to hold crop off the ground. Stems can reach 15 to 20 feet long and often root at the tip if resting on the ground.
Fairly easy to contain if seedlings and rooted tips are removed in Spring cleaning.