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Dianthus barbatus Common name; Sweet William
 
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Coldframe

Collecting seed

Compost

Heating

Planting out

Pricking out

Seed sowing

A short lived perennial generally grown as a biennial in the UK They are useful subjects in borders where subject to variety they can grow to a height of 300-600mm (12"-24")

The clusters of multi-coloured flowers appear in late June early July.

Week 25; Sow seed in pots/trays of seed compost and germinate at circa; 12°-16°C (54°-61°F) in a sheltered spot or coldframe. 

Germination should take around a week.

Week 27; If large enough to handle prick out into cell trays or boxes of potting compost and grow on in a cold frame until planting out time.

Week 32; Seed can be collected if ripe and sown immediately or kept in a cool spot till the following year.

Week 40>; Plant on from now until the end of November when space in the border becomes available.

 

 

 

 

 

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