Trailing Lobelia has so many uses - in patio containers, window boxes and, of course, hanging baskets.
Sapphire is the best blue trailing variety and becomes smothered in blooms for weeks on end.
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How to Guide
Almost fill a seed tray with moist seed compost. Sow seeds thinly over the surface, and do not cover them. Place in warmth 15-20C (60-70F), and keep moist.
Potting on/Thining Out
Keep seedlings in a light position, but shade from bright sun. When large enough to handle, transplant 5cm (2in) apart into trays of potting compost.
It is easier to transplant little clumps of Lobelia seedlings than to try to transplant single seedlings.
Hardening Off/Planting Out
Gradually accustom plants to outside conditions for 2-3 weeks before planting out when danger of frost has passed.