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Penstemon 'Raven'

Hardy Perennial

What is Hardy Perennial?

Awarded an RHS Award of Garden Merit

Long-lasting colour

Rich blackcurrant-purple blooms

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Description How to Grow More Info Delivery
A stunning semi-evergreen perennial with rich blackcurrant-purple blooms which are produced in abundance throughout summer and early autumn. Perfect for long-lasting colour in cottage garden borders, Penstemon flowers are also attractive to bees. Robust and easy to grow, Penstemon 'Raven' has been awarded an RHS AGM for its outstanding garden performance. Height: 90cm (36"). Spread: 30cm (12").

Height Up to 90cm (36in)
Spread Up to 30cm (12in)

Hardy Perennial

wildlife gardenscottage gardens

sun or semi shade

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Flowering Months


1 x 3 Litre Potted Plant (KA4456)
1 x 1 litre potted penstemon plant (64526)
2 penstemon plants in 1 litre pots (V65761P)
2 penstemon plants in 2 litre pots (V66446P)
1 penstemon plant in 2 litre pot (V66445)

Penstemon plants dislike cold, wet soils in winter. Plant them in a well drained site, adding compost or well rotted manure to amend heavy clay soils. Choose a position in full sun or semi shade.
Feed and water Penstemon plants regularly until they are fully established. Cut back faded Penstemon flowers to encourage more blooms to be produced. Apply a mulch of well rotted manure around the crown of each plant in autumn or spring. Avoid pruning back old foliage until spring arrives, as this will help to protect the plant 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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