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Berry · Moderate

How to Grow Prime-Ark 45 Blackberry

Rubus subgenus Rubus 'Prime-Ark 45'

Your complete guide to growing Prime-Ark 45 Blackberry.

☀SunFull sun (6+ hours)
💧Water1-2 inches per week, consistent moisture
📅Harvest60-70 days
🗺Zones6–9
Prime-Ark 45 Blackberry📷 Wikipedia: Berry

When to Plant Prime-Ark 45 Blackberry

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 6 — — July – October
Zone 7 — — July – October
Zone 8 — — June – November
Zone 9 — — May – December

Companion Plants for Prime-Ark 45 Blackberry

✓ Good companions

Chives

Repels aphids and Japanese beetles while improving soil with sulfur compounds

Clover

Fixes nitrogen in soil and provides ground cover to suppress weeds

Comfrey

Deep roots bring nutrients to surface, leaves make excellent mulch and fertilizer

Garlic

Repels aphids, spider mites, and fungal diseases with strong aromatic oils

Marigold

Deters nematodes and aphids through natural pest-repelling compounds

Nasturtium

Acts as trap crop for aphids and cucumber beetles, attracts beneficial insects

Tansy

Repels ants, mice, and flying insects while attracting beneficial predators

Yarrow

Attracts beneficial insects and improves soil health with deep taproot

✗ Keep away from

Black Walnut

Produces juglone toxin that inhibits growth and can kill blackberry plants

Pine Trees

Acidify soil excessively and compete for nutrients, creating poor growing conditions

Raspberries

Share common diseases like anthracnose and verticillium wilt, increasing infection risk

Nutrition Facts

Per 100g serving (USDA FoodData Central)

43.0kcal
1.39gProtein
5.30gFiber
21.00mgVitamin C
0.62mgIron
Notes from the garden

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