HANDMADE IN THE UK

Union Jack

How to Avoid Common Soil Blocking Problems

December 18, 2025

How to Avoid Common Soil Blocking Problems

Even experienced gardeners occasionally encounter problems when soil blocking. The good news is that most issues are easy to fix with small adjustments to soil mix, moisture or technique.

Problem: Soil Blocks Fall Apart

Cause: Soil too dry or loosely packed
Solution: Add more moisture and compress soil firmly into the blocker.

Problem: Blocks Dry Out Quickly

Cause: Low humidity or insufficient watering
Solution: Bottom water regularly and consider using a humidity cover during early germination.

Problem: Poor Germination

Cause: Incorrect sowing depth, uneven moisture or unsuitable soil mix
Solution: Follow seed-specific depth guidance and ensure consistent moisture.

Problem: Weak or Leggy Seedlings

Cause: Insufficient light or overcrowding
Solution: Provide adequate light and space blocks apart for airflow.

Prevention Tips

  • Use a fine, well-balanced soil mix

  • Water little and often

  • Maintain steady temperatures

Conclusion

Soil blocking is forgiving once you understand the basics. Troubleshooting early ensures healthier plants and better results throughout the growing season.


Also in News

June Garden Jobs UK | Soil Blockers | Lettuce leaves
What to Do in the Garden in June

June 01, 2026

June is when the garden really comes alive. Discover what to sow, plant, harvest and stay on top of in the UK garden this month, along with simple tips for managing seedlings and summer growth.

View full article

Companion Planting | Flowers, Veg & Herbs | Soil Blockers | Nasturtium
Companion Planting: Flowers, Vegetables & Herbs That Grow Well Together

May 21, 2026

Discover easy companion planting ideas for UK gardens, including flowers, herbs and vegetables that grow well together to attract pollinators, support healthy crops and create a thriving growing space.

View full article

Starting a Beginner Cut Flower Garden | Soil Blockers | Sweet Peas
Starting a Beginner Cut Flower Garden

May 21, 2026

Discover how to start a beginner cut flower garden in the UK, with easy flowers to grow from seed, simple sowing tips, and advice for creating months of colour at home.

View full article

Our tried and tested tips and tricks!

Our monthly newsletter brings together all the little tips and tricks that the Soil Blockers team have gathered along the way, as well as new product releases, competitions and discount codes! Why not sign up today and stay in the know?