Dianthus barbatus 'Excelsior Mixed' (Seeds)

Sweet William

Hardy Perennial

What is Hardy Perennial?

£0.79

80% (2 Reviews)

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Description How to Grow Delivery Reviews
A mix of rich flower colours all with central ‘eyes’ make for a great summer display in beds, borders and containers. Flowers are lightly scented too. Height: 45cm (18"). Spread: 30cm (12").

Culinary information: 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.

Height Up to 45cm (18in)
Spread Up to 30cm (12in)

Hardy Perennial

cut flower gardenscented gardenswildlife gardenscottage gardens

full sun

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Sowing Months Flowering Months


1 packet (250 dianthus seeds) (TKA54008)

  • Place seed on the surface of good free draining, damp compost and cover with a fine sprinkling of compost or vermiculite.
  • Seal container inside a polythene bag and keep at 15-20°C (59-68F) until after germination which usually takes 2-4 weeks. Do not exclude daylight as this helps germination.
  • Transplant seedlings when large enough to handle, into 7.5cm (3in) pots. Grow on in cooler conditions for 10-15 days before planting out after all risk of frost, 30cm (12in) apart.
  • Alternatively sow outdoors in May/June in a prepared seed bed, very thinly 1.5mm (1/16in) deep in drills 30cm (12in) apart. Thin out seedlings, when large enough to handle, to 15cm (6in) apart.

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 £4.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

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For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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