Penstemon 'Sour Grapes'

Penstemon 'Sour Grapes' is one of the very best penstemons which famously flowers without cease all summer and autumn. More
1 x 9cm plant 510802-1 £4.95 Delivery late March
[?]
When in stock, please allow up to 1 week for delivery.
3 x 9cm plants 510802-3 £13.95 Delivery late March
[?]
When in stock, please allow up to 1 week for delivery.
More Details

Penstemon 'Sour Grapes' is one of the very best penstemons which famously flowers without cease all summer and autumn.

Genus Penstemon
Variety Sour Grapes, syn. 'Stapleford Gem'
Type Tender Perennial
Common Name Beard Tongue
Border Position Middle
Soil Type Neutral
Scent Unscented
Site Full Sun, Part Shade
Moisture Well-drained
Height 60cm (24in)
Spacing 45cm (18in)
Care Tips Mulch in the winter. Deadhead after flowering.
Flowering July - October
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice

We don't currently have additional advice on using / growing this particular product on our website, but if you do have a question that isn't answered on this page then please give us a call on 0345 092 0283 and we'll happily chat through any queries you may have, or email us on plantadvice@sarahraven.com (for advice on all things growing) or info@sarahraven.com for anything else.

Delivery

Plant Delivery - When in stock, please allow up to 1 week for delivery.

Click here to find out more information about our delivery rates and times.

Penstemon 'Sour Grapes' reviews

* * * * - Average based on 9 reviews

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Reviewed 26th September 2018 by Monica

The purchase and delivery and quality of the Penstemon 'Sour Grapes' was fine.
The plant is healthy and grew well but sadly hasn't flowered for some reason.

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Reviewed 19th September 2018 by Margaret

Plants arrived looking healthy and still do ,but hardly any growth since planting. I suppose I expected a few flowers on each type
Unable to send photo at the moment

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Reviewed 19th September 2018 by Frances

I purchased 3 plants none of which have flowered or showed any sign of flowering. Leaves are ok, plants are quite bushy but very disappointing.

Reply from the Sarah Raven Team:

"Thank you for leaving your review. We are very sorry to hear of your disappointment with your Penstemon and have refunded you for them."

Posted 7th November 2018

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Reviewed 19th September 2018 by Mrs Cobb

Very petty plants, arrived in excellent condition, as usual.

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Reviewed 19th September 2018 by Joan

Plants arrived in beautiful condition but have been overtaken by Cosmos and did not like the long hot summer.
Will do well next year.

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Reviewed 14th September 2018 by Valerie

This was bought to replace an old plant which succumbed to last winter's weather. On arrival the plant appeared all right, if not very robust, and unfortunately it appears not to have survived, although it was immediately planted into a slightly larger pot. Maybe it will recover, but I rather doubt it.

Reply from the Sarah Raven Team:

"Thank you for your review. We are sorry to hear that your Penstemen has failed to thrive and have refunded you for the plant."

Posted 7th November 2018

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Reviewed 13th September 2018 by Lesley

Sadly the plant didn't survive the hot dry summer! Kept it well watered. I've never lost a penstemon yet! A first for everything! Shame it was a lovely colour.

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Reviewed 12th September 2018 by Mr Poland

Very disappointed,has not flowered at all.

Reply from the Sarah Raven Team:

"Thank you for leaving your review. We are very sorry to hear of your disappointment with your Penstemon and have refunded you for them."

Posted 7th November 2018

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Reviewed 2nd September 2018 by JEAN

These have done well. Established and flowered.