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A true blue Penstemon
Azure blue, trumpet blooms in abundance
First year flowering
Fulfilled and sold by Thompson & Morgan
Height Up to 45cm (17.7in)
Spread Up to 45cm (17.7in)
patiocottage gardensalpine & rockerywildlife gardenscut flower garden
3 Options From£8.99
3 Options From£6.99
2 Options From£9.99
2 Options From£1.50
2 Options From£12.99
1 packet (40 penstemon seeds) (24270)
When large enough to handle, transplant the seedlings to boxes or 7.5cm (3in) 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. Plant 30cm (12in) apart in full sun and well-drained soil.
To treat as a perennial cut down the stems to ground level in the autumn and cover with a thick mulch of compost.
Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.
Orders for packets of seed incur a delivery charge of £2.99.
Orders which include any other products will incur a delivery charge of £4.99.
Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.
Large items may incur a higher delivery charge - this will be displayed in your shopping basket.
Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.
For more information on how we send your plants please visit our Helpful Guide on plant sizes.
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