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Blackberry Plants

Fruiting Season: Fall Bearing

Prime Jim

Prime Jim

U.S. Plant Patent # 16,989

Plant breeder Dr. John Clark, from the University of Arkansas, has recently released this new variety. This new type allows blackberry production in regions where most other varieties are not hardy. Prime Jim will fruit on one-year wood in late August and September. Berries will be a bit larger and firmer than Prime Jan with a more upright growth habit. Easy to grow.

special features
Price includes a royalty or usage fee. Patent laws or license contracts prohibit propagation of the variety for resale or trade.

 

Characteristics

Berry Size:
Small/Med
Best in Zones:
4 - 8
Firmness:
Moderate
Flavor:
Good
Thornless:
No
  • Plants
  • Price
  • Enter Qty
5
$24.30
10
$41.05
25
$91.00
100
$318.60
500
$1,230.00
1000+
$2,250.00

Extra Informaton

  • All plants are dormant, bare root, and ship from our Massachusetts nursery.
  • Plants are available for shipment in the spring only.
  • We do not ship online orders outside the US.
  • It is best to plant immediately upon receipt.

Planting Information
for Blackberries

Spacing

  • Blackberries should be planted 3’–4’ apart
  • Recommend 8’–12’ between rows depending on machinery

Irrigation

  • Soak in water using Agri-gel™ for 1–2 hrs before planting (except TC plugs)
  • Water thoroughly after planting
  • 1"–2" rainfall or equivalent per week

Fertilization

  • Before planting add ½ – ¾ lb of 10–10–10 per 100 sq ft
  • Commercial growers should use 500 lbs per acre
  • An additional 1lb of 10–10–10 per 100 sq ft can be applied in July or August and in early spring in following years
  • pH: 6.5–6.8

Weed Control

  • Regular cultivation is necessary during growing season
  • Roots are shallow – don’t cultivate more than an inch deep
  • Mulching during establishments can help control weeds
  • Contact a local extension for chemical recommendations

Trellis

  • We suggest plants are supported by a 5–wire trellis or put into a staked–hill system.