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	Plant list: Biennials If you sow biennial seed, you’ll get leaves in year one, followed by flowers in year two. Many biennials are sold as two year old plants, ready to flower.
	Erysimum cheiri Wallflower Biennial Frost-hardy White, yellow, red, orange and purple Mid-to deep green 25cm to 30cm x 30cm to 40cm (10in to 1ft x 1ft to 15in) Actually an evergreen, bushy, perennial, wallflowers are grown as a biennial. The upright stems have short, lance-shaped leaves and heads of sweetly fragrant, velvety flowers.
	Related plant lists: Hardy annuals Half-hardy annuals Biennials Hardy perennials Half-hardy perennials Deciduous plants Evergreen plants Trees Shrubs Bulbs Climbers