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Special Offers

5 petunia plants only £2.99 with every order

Snips only £1.99 with every order

36 antirrhinum plants only £3.99 with orders over £25

Geranium 'Black Velvet Series' F1 HybridPelargoniumZonal Geranium, Zonal Pelargonium

Just £8.99

Half-Hardy Perennial
What is Half-Hardy Perennial?
A plant that lives for more than two years. Can be grown outdoors
but requires winter protection from frosts and temperatures below 0C.

We are really sorry, but this product is no longer available.

Description Sowing More Info Delivery
Four distinct colours all with unique black foliage, with just a hint of green around the edges. Create interesting patio containers and bedding displays with this spectacular foliage colour, enhanced by the contrasting appleblossom, red, rose and salmon flowers.
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.
Although technically perennial, Pelargoniums are only half hardy and therefore normally treated as annuals in the UK. However, with care, they may be overwintered in a frost free greenhouse.

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


Patio, Greenhouse, Conservatory

Half-hardy

Full sun

Up to 38cm (15in)

Up to 38cm (15in)

A little experience

A little experience

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Sowing Months Flowering Months

For best results, provide a light, well-drained soil in full sun.

Sow Mid January to Mid March in pots or trays of moist seed compost and cover with a very fine sprinkling of compost or vermiculite. Place in a propagator or warm place, and keep at a constant temperature of between 20-25C (68-77F). After sowing, do not exclude light as this helps germination. Keep the surface of the compost moist but not waterlogged; germination will usually take 3-21 days.

When large enough to handle, transplant seedlings into 7.5cm (3 inch) pots or trays. Gradually acclimatise young plants to outdoor conditions for 10-15 days before planting out after all risk of frost, 30cm (12 inches) apart.

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 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.