We have found 14 plants that meet your criteria.

Allium unifolium ‘Allium unifolium’ A longer flowering period that most Alliums £3.75 Buy
Single Late Tulip ‘Tulipa Andre Rieu’ One of the last tulips to flower £4.00 Buy
Double Late Tulip ‘Tulipa Angélique’ One of the best 'double lates' £4.00 Buy
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Viridiflora Tulip ‘Tulipa Artist’ Good for adding colour contrast £4.00 Buy
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Lily-flowered Tulip ‘Tulipa Ballade’ Listed by the RHS as one of their top 10 tulips £4.00 Buy
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Triumph Tulip ‘Tulipa Barcelona’ Great for forcing in pots for early flowers £4.00 Buy
Triumph Tulip ‘Tulipa Blue Ribbon’ Long lasting cut flowers £4.00 Buy
Lily-flowered Tulip ‘Tulipa China Pink’ Pointy sugar-pink petals £4.00 Buy
Tulip Flamimg Purissima ‘Tulipa Flaming Purissima’ The tallest and largest of the early tulips £4.50 Buy
Greigii Tulip ‘Tulipa Fur Elise’ A low grower for pots and alpine beds £3.50 Buy
Lily-flowered Tulip ‘Tulipa Mariette’ Darker pink lily-shaped flowers £4.00 Buy
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Triumph Tulip ‘Tulipa Synaeda Blue’ £4.00 Buy
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Single Early Tulip ‘Tulipa Lac van Rijn’ A historic tulip dating back to 1620 £12.00 Buy
Hardy Orchid ‘Pleione formosana’ Small hardy orchid, pink petals with a dainty ruffled pink throat £5.99 coming soon