OSC Sweet William Super Double Mix

OSC Sweet William Super Double Mix

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Big, extra double flowers in reds, pinks, rose and whites with an old-fashioned charm. Selected by growers for a very high proportion of double to single flowers. Tall 40 cm (16″) plants are crammed with flowers that start appearing in early summer. Suitable for cold-frame sowing in April to early May. Often self-seeds. Needs adequate moisture to germinate. Biennial hardy to Zone 3.