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Berry · Moderate

How to Grow Natchez Thornless Blackberry

Rubus species 'Natchez'

Natchez Thornless Blackberry is a vigorous perennial shrub prized for its sweet, thorn-free fruit and reliable performance in warm climates. Gardeners value this cultivar for its strong disease resistance and ability to thrive in humid conditions without sacrificing yield.

☀SunFull sun (6+ hours)
💧Water1-2 inches per week during fruiting season
🗺Zones6–9
Natchez Thornless Blackberry📷 Wikipedia: Berry

Starting Natchez Thornless Blackberry: indoors or direct sow?

🌾 Sow directly in the garden — Natchez Thornless Blackberry is not usually started indoors.

Do not sow seeds indoors for transplanting; instead, plant bare-root canes or rooted cuttings directly into the ground in spring after the soil warms up or in fall.

Find your last frost date by ZIP code →

Soil, care & harvest

Prepare well-drained soil with a pH between 5.5 and 7.0 before planting. Since blackberries are perennial canes, you should plant them in spring or fall rather than sowing seeds indoors for transplanting. If starting from seed, sow at a depth of about half an inch; expect germination to take 14 to 28 days. However, bare-root or rooted cane cuttings are far superior and preferred over seed propagation.

Space plants 4 to 6 feet apart in full sun to ensure vigorous growth. Install a trellis system immediately as these canes grow tall and require support for easy harvesting. Water deeply to provide 1 to 2 inches per week during the fruiting season. Apply mulch around the base to retain moisture, and feed regularly with balanced fertilizer to sustain heavy production.

Watch for Japanese beetles, aphids, spider mites, and cane borers; spray with insecticidal soap or neem oil as needed. Prevent anthracnose, cane blight, and orange rust by ensuring good air circulation and removing infected canes promptly. Harvest ripe blackberries when they are fully dark purple and pull gently from the stem to avoid bruising.

When to Plant Natchez Thornless Blackberry

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

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

Companion Plants for Natchez Thornless Blackberry

✓ Good companions

Borage

Attracts pollinators, may improve fruit flavor, and repels hornworms

Chives

Deters aphids and Japanese beetles, attracts beneficial pollinators

Comfrey

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

Garlic

Repels aphids, spider mites, and other pests while improving soil health

Marigolds

Repels nematodes and aphids, attracts beneficial insects for pest control

Nasturtiums

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

Tansy

Repels ants, mice, and flying insects that can damage berries

Yarrow

Attracts beneficial predatory insects and improves soil health

✗ Keep away from

Black Walnut

Produces juglone toxin that inhibits growth and can kill blackberry plants

Brassicas

Compete heavily for nutrients and may stunt blackberry growth and production

Fennel

Allelopathic properties inhibit growth of most nearby plants including berries

Nutrition Facts

Per 100g serving (USDA FoodData Central)

43.0kcal
1.39gProtein
5.30gFiber
21.00mgVitamin C
0.62mgIron
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