- Type:
- Herbaceous perennial
- USDA hardiness zones:
- 7-10
- Full sun
- Dry to medium
- Medium
Winter hardy to USDA Zone 7-10 where it may be grown in light, dry to medium, well-drained soils in full sun. Tolerates light shade, but best performance is in full sun. Established plants have good drought tolerance. Performs poorly in heavy clay soils. Wet, poorly-drained soils in winter are usually fatal. If desired, prune plants after bloom to encourage dense foliage growth. Plants may also be pruned to specific shapes. Best propagated by cuttings. ëArpà reportedly has the best winter hardiness of the cultivars currently available in commerce, and is listed by many nurseries as winter hardy to USDA Zone 6. It may be tried in the ground year round in a sheltered location and may survive winter, particularly a mild winter. However, many gardeners in St. Louis prefer to grow rosemary, regardless of cultivar, in containers (clay pots are best) that are overwintered indoors in sunny, humid but cool rooms. Rosemary does not perform well in dry winter heat. Take pots outside in mid spring around the time of last frost.










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