Sweet Pea White Supreme
Sweet Pea White Supreme. With its bold, beautifully formed flowers and excellent vigour, Sweet Pea ‘White Supreme’ is one of the best pure white varieties. The strong growing plants produce an abundance of 4 and 5 flowered, pure white sprays on long stems that are ideal for cutting. This elegant RHS AGM variety makes a striking exhibit on the show bench that will fill the air with rich sweet fragrance.
Height: 180cm (71″). Spread: 30cm (12″).
March – April or October
June – August
How to Sow
Sow sweet pea seeds indoors in October for transplanting outdoors in spring, or direct sow outdoors from March to April. In autumn, sow 3 seeds per 7.5cm (3″) pot at a depth of 1cm (1/2″) in free-draining, seed sowing compost. Place in a propagator or seal container inside a plastic bag at a temperature of 20-25C (68-77F) until germination which takes 10-21 days. Once germinated, grow sweet peas on in cooler conditions, before transferring to a cold frame for overwintering. Spring sowings can be made outdoors directly into drills at a depth of 2.5cm (1″), and a distance of 7.5cm (3″) apart. Pinch out the growing points of each stem once the second pair of leaves has opened to encourage bushier growth.
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