Sweet Barbed Blackberry

10 Seeds

Sweet Barbed Blackberry is a thorny blackberry variety that produces sweet, juicy black fruits. Blackberries naturally prefer cool to mild climates, but they can be successfully grown in the Gulf during the cooler months with afternoon shade and consistent irrigation.

Best Planting Time

• Best sowing time in the Gulf:
  • November to January
• Avoid planting during the hot summer months.

Seed Preparation

• Blackberry seeds require cold stratification to improve germination.
• Mix seeds with moist peat moss or vermiculite.
• Refrigerate at 2–5°C for 8–12 weeks.
• Sow immediately after stratification.

Soil Preparation

Use fertile, well-drained soil rich in organic matter.
Recommended mix:

• Compost
• Coco peat or peat moss
• Perlite
• Garden soil

Ideal soil pH:

• 5.5–6.5

Sowing Method

• Sow seeds in seed trays or small pots.
• Plant seeds:
  • 5 mm deep
• Keep the soil consistently moist until germination.

Temperature & Light

• Ideal germination temperature:
  • 18–22°C
• Ideal growing temperature:
  • 15–28°C
• Requires:
  • Full morning sun
  • Afternoon shade in the Gulf climate

Watering

• Water regularly to keep the soil evenly moist.
• Avoid waterlogged soil.
• Apply mulch to keep roots cool and conserve moisture.

Germination Time

• Seeds usually germinate in:
  • 30–90 days
• Germination can be slow and irregular.

Transplanting

• Transplant seedlings when they have:
  • 4–6 true leaves
• Space plants:
  • 1.5–2 m apart
• Install a trellis or support system as plants grow.

Fruiting

• Plants grown from seed generally begin producing fruit after:
  • 2–3 years

Gulf Climate Tips

• Grow during autumn and winter.
• Protect plants from temperatures above 35°C.
• Provide afternoon shade during late spring and summer.
• Deep watering encourages strong root development.
• Fertilize every 4–6 weeks with a balanced fruit fertilizer.
• Growing in large containers is also successful if adequate support is provided.