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| Calceolaria | Common name; Slipperwort / Slipper flower |
A half hardy biennial that flowers from June to July/August, and is often grown as a pot plant in the UK
They grow to a height of 200-500mm (2"-18") dependant on variety, and come in shades of red, orange and yellow.
Week 8; Start up plants into growth by increasing the watering and raise the temperature to 12°C (55°F)
Week 12; Sow seeds on the surface of trays containing any proprietary seed compost.
Germinate the seed at a temperature of 18°-21°C (64°-70°F)
Germination should take around two weeks.
Week 19; When large enough to handle prick out into 50mm (2") cell trays or boxes at 50mm (2") apart.
Alternatively; Sow Week 32 for flowering December to March
Week 20; Pot up previous seasons seedlings into 125-150mm (5"-6") pots of potting compost.
Week 21; (Alternatively Week 39) Pot up new seedlings into individual 70mm (3") pots of potting compost, place in a cold frame and grow on until first frosts.
Week 23; If desired pots can be placed outside in a sheltered spot after all fear of late frosts has passed.
Week 40; Take plants into a warmer frost free greenhouse or conservatory and maintain a minimum temperature of 10° - 12°C (50° - 54°F)
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