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Penstemon 'Dark Towers'

Hardy Perennial

What is Hardy Perennial?

Dramatic dark foliage

Blooms are loved by pollinating insects

Hardy and reliable

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Please note: This product cannot be delivered outside the United Kingdom.
Description How to Grow More Info Delivery
Penstemon ‘Dark Towers’ is a gorgeously dark plant with rich dark purple foliage, topped with lighter pink tube-shaped blooms. They are loved by pollinating insects so is a great addition to attract the bees and butterflies. It has a bushy but compact habit which makes for a wonderful display in patio pots or at the front of borders where it can show its stunning blooms all through the summer from June all the way to October! 60cm (24"). Spread: 45cm (18").

Height Up to 60cm (24in)
Spread Up to 45cm (18in)

Hardy Perennial

cottage gardenswildlife gardens

sun or semi shade

Flowering Months
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1 x 3 Litre Potted Plant (KF8369)
3 Postiplug Plants (KB8600)
6 Postiplug Plants (KB8601)

Pot up penstemon plants and grow them on in frost free conditions until plants are well grown. Pinch out the growing tips while plants are still small to encourage bushier growth. When plants are well developed, acclimatise them to outdoor conditions over 7 to 10 days before planting them outdoors into borders and patio containers. Grow penstemon in a sunny or semi shaded position on fertile, well drained soil. Penstemons can tolerate dry soils once established but dislike heavy soils that are particularly cold and wet in winter. Improve heavy soils by adding plenty of coarse grit prior to planting.
Feed and water penstemons regularly until they are fully established. Once established they are reasonably tolerant of drought and will require little maintenance. Deadhead faded penstemon flowers to maintain the plant's vigour and encourage further blooms to be produced. In cold areas apply a dry mulch of bark chips of straw around the crown of each plant in autumn. Leave the old foliage intact until spring to protect plants during winter.

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 £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 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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