Crested flower Isodon (Isodon lophanthoides)

Crested flower Isodon

This prolific, tough, water-loving perennial can sometimes make a nuisance of itself in rice paddies, making crested flower Isodon a crop weed in countries such as Vietnam. It does have very pretty purple flowers, and its seeds can sometimes be found for sale from rare plant nurseries and seed exchanges. It is a relative of catnip.

Scientific classification

Species

Crested flower Isodon (Isodon lophanthoides)

Mints plantains olives and allies

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Perennial

Lifespan

30 cm to 1.5 m

Plant Height

10 cm to 25 cm

Flower Size

White, Purple

Flower Color

Semi-evergreen

Leaf type

Images of Crested flower Isodon

Distribution of Crested flower Isodon

Distribution Map

Crested flower Isodon possesses a wide natural distribution across the Himalayan region, Indo-China, and East Asia. The plant thrives in the mountainous areas and is common within various ecosystems ranging from tropical to temperate zones in these broad geographic regions. Despite its extensive range, crested flower Isodon has not been widely introduced or cultivated outside its native habitat.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Hills, forests, ravines, thickets, rice paddies, streamsides

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Crested flower Isodon

Every week

Water

Full sun

Sunlight

Water: Crested flower Isodon prefers consistently moist soil and shows moderate drought tolerance once established. Weekly watering supports its growth, and mulching outdoors aids moisture retention, especially during the growing season. Originating from mountainous understory regions, crested flower Isodon thrives in these specific conditions.

Fertilize: Crested flower Isodon requires regular fertilization for optimal health, ideally with a balanced nutrient fertilizer every two weeks in spring and summer, and monthly in cooler months. Dilute as per guidelines to prevent root burn, and minimize during dormancy to avoid nutrient build-up.

Pruning: Crested flower Isodon features attractive, aromatic leaves and unique flowers. Annual pruning in early to late spring is crucial, focusing on dead stems and thinning for air circulation. Rejuvenation pruning encourages new growth, promoting healthier blooms and improving the plant's overall structure and appeal.

Propagation: Crested flower Isodon thrives through cuttings; select healthy stems and use a sharp, clean cut to avoid disease. Use a well-draining medium, maintain consistent moisture and warmth, and avoid waterlogging. Establish root systems before transplanting for robust garden development.

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