When to Plant Tomatoes in an Unheated Greenhouse: UK Guide 2026
· 1st Nov 2024
Sow tomato seeds indoors in mid-March at 21-27 degrees C. Transplant seedlings into an unheated greenhouse from late April once nights hold above 10 degrees C. The UK unheated growing season runs April to October. Reliable varieties include Gardener's Delight, Sungold, and Moneymaker.