How to overwinter hardy annuals?
How to overwinter hardy annuals? Annuals can also be sown under cover at 18°C (64°F), reducing to 15°C (59°F) after germination. Grow them on into small plants, harden them off for overwintering in a cold frame or unheated glasshouse, and plant them out the following spring. October is the perfect time to plant trees, shrubs, […]
How to overwinter hardy annuals? Read Post »