Salvia
This half hardy perennial is generally grown as a half hardy annual in many areas of the UK.
It grows about 300-500mm (12"-18") high and flowers from mid July until the first frosts.
Week 9; Sow seed on the surface of pots / trays of seed compost and germinate at a temperature of 22°C (72°F).
Germination should take about seven to ten days.
Week 12-13; When large enough to handle prick out into cell trays or boxes and grow on at a temperature of 16°-18°C (61°-64°F) for two to three weeks, then gradually harden them off until planting out time.
Week 21; Plant our 200-300mm (8"-12) apart in a sunny spot.
Pinch out the tops to encourage branching.
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