How to Prune Blackberries: 11 Steps
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1. Gather your tools: Before you begin, make sure you have a sharp set of bypass pruners, sturdy gloves, and safety glasses to protect your hands and eyes from thorns.
2. Identify the canes: Blackberry plants have two types of canes – the primocanes (first-year growth) and the floricanes (second-year growth). Floricanes produce fruit, while primocanes do not. It is important to know the difference when pruning.
3. Start with dead or diseased canes: Begin by removing any dead, diseased, or damaged canes. Cut these canes back to the ground to prevent spreading disease to healthy canes.
4. Prune in late winter or early spring: The best time to prune blackberries is in late winter or early spring when plants are dormant and before new growth begins.
5. Remove spent floricanes: After the fruiting season, prune spent floricanes down to the ground level. This will make room for new primocanes to grow and eventually bear fruit next season.
6. Prune lateral branches: To encourage larger fruit and better air circulation, prune lateral branches on fruiting floricanes back to 12-18 inches long.
7. Thin out primocanes: During late winter or early spring, thin out primocanes by removing weak or crowded shoots. Space them about 4-6 inches apart for better light penetration and air circulation.
8. Train primocanes: To keep your blackberry patch organized, train your primocanes by tying them to a wire trellis or fence during their initial growth phase. This encourages them to grow upwards rather than sprawling across the ground.
9. Tip-prune primocanes in summer: When primocanes reach a height of 36-48 inches, it’s time to tip-prune them by cutting off the top 2-4 inches. This will encourage lateral branching, leading to better health and increased fruit production.
10. Maintain plant health: After pruning is complete, keep your blackberry patch clean and weed-free throughout the growing season. This will help to reduce the risk of pests and diseases.
11. Monitor and repeat: Pruning is an ongoing process, so stay vigilant and prune as needed throughout the year. With proper pruning techniques, your blackberry plants will produce abundant fruit and thrive for years to come.