Photo by Melody

PlantFiles: Pacific Blackberry
Rubus ursinus

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

One vendor has this plant for sale.

4 members have or want this plant for trade.

Category:
Edible Fruits and Nuts
Vines and Climbers

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

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

Hardiness:
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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Danger:
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
White/Near White

Bloom Time:
Mid Spring

Foliage:
Deciduous

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
By simple layering

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By PaulRobinson
Thumbnail #1 of Rubus ursinus by PaulRobinson

By ladyannne
Thumbnail #2 of Rubus ursinus by ladyannne

By ManicReality
Thumbnail #3 of Rubus ursinus by ManicReality

Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive malsprower On Feb 19, 2008, malsprower from Stevens Point, WI wrote:

left unchecked this plant spreads fast. two summers ago there was a patch of blackberries running along a four wheeler trail in my backyard and last summer this trail was closed and so the blackberries immediately took over.it is a great plant to have around though. i enjoy picking blackberries in the summer.

Positive rubus On Dec 31, 2004, rubus from vancouver
Canada wrote:

I am growing a plant of rubus ursinus in Vancouver, B.C. I grow it to hybridize with the Loganberry, Tayberry and others. I collected seeds last year and will be planting them. The plant makes trailing growth and needs trellising. If they are collected from the wild then be advised that this species has both male and female plants! You must choose a female or you will get no fruit. So find one that is bearing fruit and tip-root it for next year's plant. The berries are small and are delicious for jam, etc. Quite a few plants are necessary if you want to have a reasonable yield. I would suggest at least four plants, spaced about four feet apart. If you plant them right next to a loganberry, raspberry or boysenberry then they will be fertilized. Otherwise you must grow male plants with the females or you may be very disappointed. The plants seem to do best with half a day of sunshine. Fantastic flavour but a lot of picking is required..they are very small. May I suggest seedless jam?

Positive PaulRobinson On May 27, 2003, PaulRobinson from Torrance, CA wrote:

Easy to grow from ofshoots (from layering or stolons). Bears prolifically on second year wood. Requires litle atention but can be invasive. Very thorny. Rapid spring growth. Can form impenetrable bramble over time (prunable to hedge shpe).

The famous Loganberry is a cross of California Wild Blackberry and a rasberry. The wild berry is better!

Regional...

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

,
Garberville, California
Merced, California
Torrance, California
Houston, Texas
Newport Center, Vermont



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