Lavandula ×intermedia 'Riverina Thomas'
Common name(s): lavandin
Description: evergreen shrub; bred for vigor and oil yield. Long-blooming with very large, tapered flower spikes. One of the best for lavender wreaths and other crafts that require long stems. Essential oil is very similar to that of the parent plant, 'Grosso'.
Height: to 3 ft. Spread: to 4 ft.
Stem length: 15-30 in.
Corolla: dark violet-blue
Calyx: dark violet
Bloom season: mid summer
Best Uses: landscaping, rock gardens, essential oil, bouquets, crafts
Origin: a triploid hybrid (L. ×intermedia ‘Grosso’ × L. angustifolia) bred by Dr. Nigel Urwin of Charles Sturt University in Wagga Wagga, New South Wales, Australia and introduced by Clive Larkman of Larkman Nurseries (2003)
Position: full sun and well-draining soil
Winter Hardiness: to 0 F and below
Drought: adapted to 4 months of summer drought