Dark purple loosestrife (Lysimachia atropurpurea)

Dark purple loosestrife

Dark purple loosestrife boasts elegant spires of burgundy flowers that make a striking addition to informal borders and cottage gardens. It flourishes in full sun to partial shade, and well-drained soil enhances its growth. This hardy perennial is recognized for its lance-shaped, whorled leaves and stems that can reach up to 50 cm tall. The captivating contrast between its dark flowers and glaucous foliage is especially alluring to garden enthusiasts.

Scientific classification

Species

Dark purple loosestrife (Lysimachia atropurpurea)

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60 cm

Plant Height

50 cm

Spread

Green, Gray, Silver

Leaf Color

Red, Purple

Flower Color

Deciduous

Leaf type

0 - 32 ℃

Ideal Temperature

Cultivars

There are several recognized cultivars of Dark purple loosestrife, including the following common varieties :

Dark purple loosestrife 'Beaujolais'

Care Guide for Dark purple loosestrife

Twice per week

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Dark purple loosestrife thrives in moist, well-drained soils and prefers consistent moisture, requiring watering twice weekly. Best for outdoor cultivation, its water needs align with its growing season to support lush foliage and vibrant flowers. It can tolerate brief droughts but requires maintained soil moisture.

Fertilize: For dark purple loosestrife, use a balanced NPK fertilizer (10-10-10) monthly during the growing season. Limit high nitrogen fertilizers in spring to prevent over-fertilization. Adjust fertilizer type and frequency seasonally, reducing dosage as dormancy nears in late fall for optimal growth and health.

Pruning: Dark purple loosestrife features striking deep purple flowers and thrives with regular pruning, best done in early to late spring. Focus on removing dead stems, thinning crowded areas, and cutting back spent blooms to improve health and aesthetics while encouraging new growth. Follow horticultural guidelines for effective techniques.

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