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| Ageratum |
| Common name; Floss flower |
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A half hardy annual with flower heads that resemble shaving brushes.
It generally grows from around 100mm (4”) to 250mm (10”) high depending upon variety.
This makes it a suitable subject for edging borders and island beds.
Sowing to flowering is generally around 13 weeks
Week 12; Sow seed in trays/pots of seed compost and lightly cover with vermiculite, and germinate at around 21°C (70°F)
They should take around a week to germinate.
Week 16; If large enough to handle, prick out into 50mm (2”) cells or in trays 50mm (2”) apart.
Grow on in a frost free environment until planting out time
Week 22; Plant out 200mm (8”) apart in a sunny position in a moisture retentative soil, dry conditions will shorten the flowering period.
Week 33; Sow seeds for spring flowering.
Week 38; Plants for early spring flowering should be potted on into 125mm (5") pots of John Innes potting compost No.1 (or equivalent) and grow on through the winter months at 10°C (50°F)
Water sparingly.
Dead-head all plants regularly to prolong the flowering period.
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