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Zone
Zones 14-17, 19-24
Full Sun
Full
Regular Water
Moderate

Prostanthera

Mint Bush
Lamiaceae (Labiatae)
Evergreen, Shrubs

Australian natives with minty smelling foliage and an enormous profusion of small flowers, usually in shades of purplish blue or white. These plants require excellent drainage. Although they tend to be short lived, they grow quickly and put on a good show. Prune them carefully; avoid cutting into bare wood or doing any other hard pruning. There are many species available; look for them at specialists’ nurseries or at plant sales held by botanical gardens.

Prostanthera nivea

Grows 7 ft. tall, 4 ft. wide, with an open-growing habit. White flowers.

Prostanthera nivea induta

Upright, compact form. Grows to 6 ft. tall, 3 ft. wide. Narrow, silvery leaves somewhat longer than 1 in. Produces blue flowers in the spring.

Prostanthera rotundifolia
Prostanthera rotundifolia

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Prostanthera rotundifolia

Grows 6 ft. tall, nearly as wide, producing purple-blue flowers in spring.

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Prostanthera rotundifolia

Grows 6 ft. tall, nearly as wide, producing purple-blue flowers in spring.

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