Thompson & Morgan Penstemon True Blue 40 Seed
£2.99
Penstemon - True Blue
This variety features azure blue trumpet blooms in abundance, with green and grey tinged foliage. This charming perennial may be treated as a annual, flowering in its first year. It is highly versatile for borders, rockeries, bedding or the patio container.
Sow from February to early June on the surface of a good seed compost just covering the seed with a thin layer of compost or vermiculite. Early sowings can be treated like Half Hardy Annuals and will flower in their first year. Germination takes 14-30 days at 15-18C. Don't exclude light, sealing in a polythene bag after sowing is helpful. When large enough to handle, transplant the seedlings to boxes or 7.5cm pots, and grow on in cooler conditions. When well grown, gradually acclimatise to outdoor conditions and plant out in late spring after all risk of frost has passed. To treat as a perennial cut down the stems to ground level in the autumn and cover with a thick mulch of compost.
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Description
Penstemon - True Blue
This variety features azure blue trumpet blooms in abundance, with green and grey tinged foliage. This charming perennial may be treated as a annual, flowering in its first year. It is highly versatile for borders, rockeries, bedding or the patio container.
Sow from February to early June on the surface of a good seed compost just covering the seed with a thin layer of compost or vermiculite. Early sowings can be treated like Half Hardy Annuals and will flower in their first year. Germination takes 14-30 days at 15-18C. Don't exclude light, sealing in a polythene bag after sowing is helpful. When large enough to handle, transplant the seedlings to boxes or 7.5cm pots, and grow on in cooler conditions. When well grown, gradually acclimatise to outdoor conditions and plant out in late spring after all risk of frost has passed. To treat as a perennial cut down the stems to ground level in the autumn and cover with a thick mulch of compost.
Shipping & Delivery
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