Blackberries are one of the easiest and most rewarding fruits to grow, but to get the juiciest berries and healthiest canes, your spring prep is key! Whether you’re growing thornless varieties in raised beds or trailing blackberries in pots, these 5 essential tasks will help you kick off the season right and set your blackberry patch up for success. Let’s get your plants ready for berry season! 🪴
1. Prune Out Old Canes & Shape New Growth ✂️
Spring is the perfect time to clean up your blackberry plants and encourage healthy new canes.
✅ Remove all old canes that fruited last year—they won’t produce again
âś… Trim back weak or damaged growth
âś… Tie strong, new canes to a trellis or support system
âś… For primocane (everbearing) varieties, cut all canes to the ground if you want a single late-season crop
This pruning improves airflow, reduces disease, and increases your berry yield.
2. Clean Up Around the Base & Refresh Mulch 🍂
Keeping the area around your plants tidy is one of the easiest ways to prevent pests and diseases.
âś… Rake up fallen leaves and old mulch from around the base
âś… Remove weeds and grasses competing for nutrients
✅ Add a fresh 2–3 inch layer of mulch (pine bark, straw, or compost)
âś… Keep mulch a few inches away from the crown to avoid rot
Mulch helps retain moisture, suppress weeds, and regulate soil temperature.
3. Feed Your Plants for Bigger Berries 🍽️
A good feeding in early spring fuels vigorous growth and sets the stage for larger, juicier fruit.
âś… Apply a balanced fertilizer (like 10-10-10) around the base of each plant
âś… For potted plants, use Nutra Pro Fertilize Packs for slow-release nutrition
âś… Repeat with a second dose after the first bloom for optimal production
Avoid over-fertilizing, especially with nitrogen-heavy blends, which can promote leafy growth at the expense of fruit.
4. Inspect Trellises, Supports & Ties 🪵
Blackberries are vigorous growers and need support to thrive.
âś… Check that your trellis or support system is secure and upright
âś… Replace or adjust any old or broken ties
âś… Use soft plant ties or garden twine to gently secure new canes
âś… Space out canes evenly to allow sunlight and airflow
A strong support system makes harvesting easier and prevents canes from breaking under the weight of fruit.
5. Water Wisely & Set Up for Consistent Moisture đź’§
Blackberries need even moisture, especially as they start leafing out and setting fruit.
âś… Begin watering regularly once new growth appears
âś… Water deeply to encourage root development
âś… Add Soil Moist Transplant Mix to pots or planting holes to retain moisture
âś… Avoid shallow watering, which can lead to weak root systems
Deep, consistent watering supports healthy growth and plump, flavorful berries.
Final Thoughts 🌞
Spring is your starting line for a berry-filled summer! With some pruning, feeding, mulching, and support, your blackberry plants will be bursting with life—and berries—before you know it.
🛒 Need blackberry plants, mulch, or fertilizer? Visit Ty Ty Plant Nursery, LLC for top-quality supplies and plants—plus a FREE One-Year Plantsurance Policy with every tree or bush! 🌿✅
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