Plant Rubus occidentalis 'Navaho' in a sunny, open site where you can easily reach the canes at harvest. This thornless, upright blackberry is valued for firm, sweet berries and a neat habit that can be grown with minimal support. You will get the best fruiting and cane strength in full sun, though it can handle part shade in hotter climates as long as it still receives several hours of direct light.

Start with well-drained, fertile soil and keep moisture consistent while the plant establishes. Mulch to conserve moisture and moderate soil temperatures, and water deeply during dry spells to support berry size and flavor. Space plants so air can move through the canes and leaves; good airflow helps reduce common blackberry issues in humid weather.

Pruning is key to steady production. After fruiting, remove spent canes at ground level to make room for new growth. As new canes grow, you can tip them at a manageable height to encourage branching and keep fruit within easy reach. In winter or early spring, thin and shorten laterals as needed so the plant stays open and upright.

Expect a mid-season harvest once plants mature. Pick berries when they are fully black and release easily. With basic seasonal pruning and regular watering, you can enjoy reliable crops and a tidy berry patch year after year.

Specifications

• Cold hardiness zone: 5-9 (-20 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Growth rate: Moderate
• Mature height: 48-60"
• Spread: 48-60"
• Edible: Yes

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