Gladiolus 'Black Surprise'

Sword Lily, Gladioli

Half-hardy Corm

What is Half-Hardy Corm?

FROM £9.99

80% (2 Reviews)

A classic garden favourite

Great value for money

Contemporary yet classic flowers

Beautiful in flower arrangements

Perfect in borders or flower arrangements

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Description How to Grow More Info Delivery Reviews
This is a stunning version of the classic garden favourite. This Gladiolus ‘Black Surprise’ has striking rich coloured flowers which are even edible and beautiful editions to salads. Perfect in borders and for flower arrangements this variety will not let you down. Height: 60cm (24"). Spread: 15cm (6").

Height Up to 60cm (24in)
Spread Up to 15cm (6in)

Half-hardy Corm

cut flower gardencottage gardens

full sun

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Flowering Months


3 gladiolus corms (13424)
10 gladiolus corms (t12433)

March and April are the best time for planting Gladiolus corms. Plant them at a depth of 10cm (4”). Choose a sunny, sheltered position in well drained soil. Add well rotted manure or compost to improve drainage on heavy clay soils. Try planting gladioli in groups of five or seven for greater effect. Stagger planting over a few weeks for a succession of flowers throughout summer. Taller varieties may require staking with garden canes to support their tall stems.
Feed and water regularly throughout the growing season. After flowering, allow the foliage to die back naturally as this will help to feed the corms for next years growth. Corms should be lifted, cleaned and dried off during autumn, removing any remaining foliage. During winter store corms in a cool, dry place away from risk of damp or frost. Replant in spring for another wonderful display.

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.

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.

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