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Achillea Common name; Yarrow
 
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Compost

Division

Heating

Planting out

Pricking out

Seed sowing

A hardy herbaceous flowering perennial that grows to 750mm (30") high with a 400mm (16") spread.

Clusters of flowers appear from July to September.

Week 13; Sow the seeds on the surface of seed compost, then germinate at 20°C (68°F)

Germination can take up to 4 weeks

Week 14; If ground conditions are suitable, divide the roots into sections, ensuring each section has four or five young shoots, replant immediately into flowering positions.

Week 19; Prick off the seedlings when large enough to handle into cell trays/boxes of potting compost to grow on until planting out time.

Week 40; Plant out in a sunny position in any well-drained garden soil.

Week 45; Cut tall varieties down to ground leve

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