Arctic lupine (Lupinus arcticus)

Arctic lupine

A member of the legume family, arctic lupine, or Lupinus arcticus, grows from a thick taproot with tall spikes of pea-like flowers. Although a collection of seeds of arctic lupine were once thought to be the oldest viable seeds on earth, this was discovered to be false thanks to carbon dating.

Scientific classification

Species

Arctic lupine (Lupinus arcticus)

Legumes, milkworts and allies

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Perennial

Lifespan

Herb

Plant Type

Summer

Bloom Time

20 cm to 38 cm

Plant Height

30 cm

Spread

1.02 cm to 1.5 cm

Flower Size

Purple, Blue

Flower Color

Images of Arctic lupine

Care Guide for Arctic lupine

Every week

Water

Full sun

Sunlight

5 - 25 ℃

Ideal Temperature

Water: Arctic lupine thrives in cool climates, preferring moderate moisture with evenly moist, well-draining soil. It requires consistent weekly watering to maintain hydration without waterlogging or drying out, supporting its growth cycle as an outdoor plant in wildflower meadows.

Fertilize: Arctic lupine requires balanced fertilization for growth, with high-phosphorus options during budding for enhanced blooms. Apply monthly in the growing season, reducing in dormancy. Monitor for nitrogen burn, adjusting feeding based on environmental cues to optimize plant vitality.

Pruning: Arctic lupine features vibrant flower spikes and is resilient with appropriate pruning. Trim spent flowers and damaged stems in early spring for new growth, and cut back after blooming. Regular pruning promotes dense foliage and reduces disease. Use clean, sharp tools for best results.

Propagation: Arctic lupine is a hardy perennial suited for cooler climates. Propagate using softwood cuttings with several nodes from healthy plants. Use rooting hormones, provide well-draining soil, and keep a moist environment. Indirect light aids rooting. Harden off saplings before transplanting to their final location.

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