4 for 3 on all seed (cheapest goes free)

Hollyhock 'Nigra'Alcea roseaAlthaea rosea

Hardy Perennial

What is Hardy Perennial?
A plant that lives for more than two years.
Capable of withstanding outdoor winter temperatures down to -15C.

£1.00

96% (5 Reviews)

Choose available pack sizes:

Want to get notified when back in stock?

Loading...

Height Up to 200cm (78.7in)
Spread Up to 60cm (23.6in)

Hardy Perennial

cottage gardenswildlife gardens

Full sun

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
Sowing Months Flowering Months
Description
Tall strong stems bearing chocolate maroon flowers, becoming almost 'black' towards the centre. This is a unique variety creating an impressive impact against most backgrounds. Flowers mid to late summer. Height 5ft.

Culinary note: try crystallising the flowers for a tasty cake decoration, or use them to make a delicately flavoured syrup to use with puddings. For more details about edible flowers click here.

Useful Links:
How to sow flower seeds
Reasons to buy your seeds from Thompson & Morgan


1 packet (50 hollyhock seeds) (26560)

Sowing
Sow on the surface of the compost in late winter in John Innes Compost. Make sure that the compost is moist but not wet and seal in a polythene bag until after germination which usually takes 12-21 days at 15-21C (65-70F). Do not exclude light which is beneficial to germination.They can also be sown in mid summer, overwintered in a coldframe and planted out in spring. This produces larger plants.

Transplant when large enough to handle into 8cm (3in) pots and grow on in cooler conditions. Gradually acclimatise to outdoor conditions for 10-15 days before planting out after all risk of frost 38cm (15in) apart in well cultivated garden soil and some shelter.

Delivery

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 £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 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.

Reviews

#YourTMGarden

For the chance to be featured, share your plant pictures with us
on Instagram by using the hashtag #YourTMGarden

Join Our Email Club

Sign up to our UK newsletters and get 10% off your first order*

* New customers only

JOIN NOW
RedEye

Get 10% off your first order when you sign up to our email club