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* Seed packet image is for illustration purposes only

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24 begonia plug plants only £2.99 with any order

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10 Petunia Positplug plants for £3.99 with orders over £30

Dianthus barbatus nigrescens 'Sooty'Sweet William

Just £2.99

Hardy Perennial
What is Hardy Perennial?
A plant that lives for more than two years.
Capable of withstanding outdoor winter temperatures down to -15C.
5 Reviews
1 packet (30 dianthus seeds) £2.99 Within 24 Hours
Description Sowing Delivery Reviews
Supremely different to other Sweet Williams with 7cm (2½in) fragrant blooms of deepest maroon-chocolate on red stems and mid green foliage which matures to metallic mahogany. Stunning cut flower and border plant. Often grown as a biennial, this short lived perennial is ideal for cottage garden borders, beds and containers. Height: 30-38cm (12-15in).

Culinary note: Use the clove like tasting petals for adding to cakes, either for flavour or decorating, suitable for soups, salads and sauces too. For more details about edible flowers click here.

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


Cottage Gardens, Scented Gardens, Wildlife Gardens, Cut Flower Garden

Hardy

Full sun

Up to 38cm (15in)

Up to 30cm (11.8in)

Easy for all

Easy for all

RHS plants for pollinators

1 packet (30 dianthus seeds) (23879)

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
APRMAYJUN
MAYJUN
Sowing Months Flowering Months
Sow in May-June outdoors in a moist, well forked and raked seed bed. Sow thinly, 1cm (0.5in) deep in drills spaced 15cm (6in) apart. Keep seed bed well watered in dry weather.They can also be sown indoors in late April-May in a good seed sowing compost just covering the seed with compost. Germination takes 7-14 days at 18-20C (65-70P).

Transplant to a reserve border, when large enough to handle 15cm (6in) apart in rows 30cm (12in) apart. Plant 30cm (12in) apart in the flower border in September.

For April sowings, when large enough to handle transplant the seedlings to boxes, grow cool and well lit. When well grown, gradually acclimatise to outdoor conditions and plant out in a reserve border as described above.

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.

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.

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