Lavandula × intermedia 'Riverina Thomas'
Common name(s): lavandin
Description: evergreen shrub; a triploid hybrid (L. × intermedia ‘Grosso’ × L. angustifolia) bred for vigor and oil yield. Introduced by Clive Larkman of Larkman Nurseries, Australia. Long-blooming with very large, tapered flower spikes. One of the best for lavender wreaths and other crafts that benefit from longer 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
Position: full sun and well-draining soil
Winter Hardiness: to 0 F and below
Drought: adapted to 4 months of summer drought