Plant Theory Jasminum officinale Devon Cream (PBR) | 3L Pot Grown in our Specialist Nursery. This new variety features large, cream flowers and is ideal for covering walls or training up trellises. Position: full sun. Soil: fertile, well-drained soil. Rate of growth: fast-growing. Flowering period: June to August. Hardiness: frost hardy (needs winter protection). This is a superb cream-coloured form of the common jasmine, known for its larger flowers and enhanced fragrance. It thrives in a sheltered, sunny, well-drained site and can tolerate dry conditions. Its rapid growth makes it perfect for covering large walls or garden buildings. For optimal enjoyment of its fragrant blooms, plant it near a house entrance or pathway. In smaller gardens, it can be grown in a pot and trained up a support. Garden care: Plant.