Longleaf summer bluet (Houstonia longifolia)

Longleaf summer bluet

Also known as: Long-leaved bluets

Longleaf summer bluet, or Houstonia longifolia, is a perennial found in the eastern United States and eastern Canada. The scientific name, longifolia, describes the long slender leaves. These graceful flowers are easy to grow and will thrive even under poor conditions.

Scientific classification

Species

Longleaf summer bluet (Houstonia longifolia)

Gentians, dogbanes, madders, and allies

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Herb

Plant Type

Spring, Summer, Fall

Bloom Time

10 cm to 25 cm

Plant Height

Green, Blue

Leaf Color

6 mm

Flower Size

White, Purple

Flower Color

Semi-evergreen

Leaf type

Images of Longleaf summer bluet

Care Guide for Longleaf summer bluet

Every week

Water

Full sun

Sunlight

0 - 35 ℃

Ideal Temperature

Water: Longleaf summer bluet thrives in humid environments with consistent rainfall and exhibits drought tolerance. It requires weekly watering to mimic natural conditions. Typically grown outdoors, longleaf summer bluet prefers ample sunlight and enters dormancy during dry seasons, conserving water for spring growth.

Fertilize: Longleaf summer bluet thrives with balanced, slow-release fertilizers (10-10-10) applied thrice during spring through summer. Cease fertilization in winter dormancy. Use recommended quantities, starting with half-strength for beginners. Always water post-fertilization to improve nutrient absorption and minimize root burn risk.

Pruning: Longleaf summer bluet thrives with early to late spring pruning. Trim spent blooms and leggy growth to encourage robust flowering and maintain a compact shape. Remove dead or damaged stems to promote vigorous growth and enhance overall vitality and appearance.

Propagation: Longleaf summer bluet can be propagated via cuttings from healthy, non-flowering shoots. Make clean cuts below a leaf node and place cuttings in moist, well-draining medium. Maintain high humidity and stable temperatures for root development. Acclimatize rooted cuttings before transplanting to their final location.

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