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Home>Flowers, Plants & Shrubs>Plants>Annual Plants>RHS Perfect for Pollinator Annuals

Cerinthe major 'Purpurascens'Honeywort

2 Options from £12.99

Hardy Annual
What is Hardy Annual?
A plant that completes its entire life cycle (growth, reproduction, death) in one season.
Capable of withstanding outdoor winter temperatures down to -15C.
9 Reviews
3 cerinthe Postiplug plantsDon't miss out, Only 12 left £12.99 Despatch: by end of October
6 cerinthe Postiplug plantsSave £5.99Don't miss out, Only 6 left £25.98 £19.99 Despatch: by end of October
Description How to Grow More Info Delivery Reviews Video
Also known as Honeywort, this unusual annual bears rounded, blue-green leaves on slender, upright stems. From late spring onwards masses of nodding, rich purple flowers, surrounded by blue-purple bracts appear at the stem tips, which are highly attractive to bees. With a bushy habit, Cerinthe major ‘Purpurascens’ is a fantastic addition to annual beds or used to fill gaps in herbaceous borders, where it is happy in any well drained soil. Height: 60cm (24"). Spread: 45cm (18").

Cottage Gardens, Wildlife Gardens


Full sun

Up to 60cm (23.6in)

Up to 45cm (17.7in)

Easy for all

Easy for all

Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: GY, HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3.

3 Cerinthe Postiplug Plants (T16891)
6 Cerinthe Postiplug Plants (T16905)

Flowering Months
Water regularly until plants are fully established. Honeywort plants seed freely. If seedlings are not required, deadhead the faded Cerinthe flowers as they fade.
Pot up Cerinthe plants and grow them on in frost free conditions until large enough to plant outdoors. When Cerinthe plants are well grown, acclimatise them to outdoor conditions over 7 to 10 days. Plant Honeywort in full sun or part shade, in poor, well drained neutral or alkaline soil. On heavier soils, incorporate plenty of grit to improve drainage, prior to planting.


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 and will be stated on the product page or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £1.95.

Orders which include any other products will incur a delivery charge of £4.95.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.90 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 details of any surcharges that may apply to certain destinations.

Satisfaction Guaranteed

For your complete peace of mind, our Home and Garden products may be returned to us within 30 days of purchase for a refund of the purchase price. Items must be returned unused, at your cost and in mint condition. All items carry a manufacturer's 12 month defects warranty.


Beautiful plants 2016-01-08

I've been growing these in pots and they are both unusual and beautiful. I often see them covered in bees which is such a good sign. I will definitely grow them again next year. Thank you for your great service.

T&M replied on 2016-08-01: Thank you very much for your review. I am glad that you have been happy with your purchase. I hope we can continue to be of service to you in the future.

excellent plants 2014-09-14

Was supposed to receive these by the end of may, but for whatever reason i didn't. I e-mailed about mid-june and finally received them towards the end of june, Planted them out straight away and they have romped on. I am very pleased with the results and the bees and other pollinators love them. They are still full of flowers and bees. Will definately buy again. I have given 4 stars for poor customer service in not informing me of the delay.

T&M replied on 2014-09-15: Thank you for your review. I hope we can continue to be of service.

A real showstopper! 2013-10-19

I had never heard of Cerinthe before, but it will certainly be a necessity in my garden from now on. Our garden is on a corner and everyone who passes comments on how interesting and colourful these plants are. The leaves are a beautiful bluey-green colour and the flowers blue-purple. They have really done well with this year's fantastic summer and I look forward to ordering again for next season.

great plants in a wildlife garden 2013-07-30

Very pleased with this purchase as always from t&m. as soon as they arrived I planted them in 3 inch pots thinking that will do until next spring. after a bit of a slow start they went mad and now i have to find some spaces in the garden this year to plant them as they are all full of flower buds, a pleasant surprise this year after such a cold spring.

What a fantastic plant! Great for bees too! 2012-12-18

I have only been hooked by gardening for the last 4yrs since my mid 30's but I was overjoyed that my gardening parents hadn't a clue what this plant was. Everyone visiting my back garden commented on it and after I thought it had packed up and had given it a prune it bounced back with a second flourish until a harsh early frost. A must for nature lovers as it was a bee hotspot for many months.

Try something different 2012-09-29

I'd never heard or seen these plants before so wasn't quite sure how they would look or turn out. I didn't need to worry, they grew very quickly and I was soon rewarded with purple/mauve nodding bell like flowers. The foliage also adds interest with it's white spotty leaves. Once they got a bit leggy I cut them down and they grew again to give another lovely show of flowers. Very easy plants to maintain.

Stunning plants, really eyecatching 2012-07-15

These are really stunning plants, they seem to glow in amongst the othe plants in the border. It's true about the bees as well, they love them!

Very good value for money 2012-05-23

I bought the 6 x 5cm potted plants and managed to grow 20 very healthy plants; each pot have about 3 to 4 seedlings that I managed to separate. I am looking forward to seeing the lovely blooms this summer

Cerinthe major 2012-05-06

This is a lovely plant and very unusual. All 3 plants arrived safely and were extremely healthy. They are already flowering in my garden and I am thrilled to bits. Thank you very much