Androsace septentrionalis
Androsace septentrionalis · Primulaceae
The gardener's calendar
Ideal time to plant androsace septentrionalis: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Primulaceae
- Type
- Annual or biennial herbaceous plant
- Adult size
- 10 to 30 cm in height
- Flowering
- Spring to early summer (May-July)
- Flowers
- Small white or pink flowers in umbels
- Hardiness
- Very hardy, zones 3 to 8
- Origin
- Temperate and arctic regions of the northern hemisphere
- Growth
- Fast, short cycle
Care
Light
Place your Northern androsace in full sun or partial shade for optimal flowering. It tolerates sunny exposures even in warm climates, but prefers gentle light in southern regions. Avoid dense shade which slows growth and reduces flowering.
Soil
This plant loves well-draining, light and even poor soils. Gravelly, sandy or rocky terrain suits it perfectly. Absolutely avoid stagnant moisture and compact soils that promote root rot.
Watering
Water moderately during growth, letting the soil dry out slightly between waterings. Once established, Northern androsace resists drought well. In pots, check that water drains properly from the bottom and limit winter watering.
Fertilizer
No fertilizer is generally necessary on poor soil. In rich soil, excess nitrogen promotes foliage at the expense of flowering. Light compost or sand added at planting is more than sufficient.
Pruning and cleaning
No strict pruning is required. Remove spent flowers to extend blooming and eliminate dead or diseased leaves. After flowering, let the plant self-seed naturally if desired, or remove it after its cycle.
Diseases and pests
Northern androsace is generally very healthy. The main risks are root rot from excess moisture and sometimes powdery mildew in confined, humid environments. Ensure good ventilation and optimal drainage to prevent these problems.
Did you know?
Northern androsace is a pioneer plant of arctic and mountain regions: it colonizes rocky terrain and bare areas first, thus preparing the soil for other species. Its scientific name 'septentrionalis' literally means 'of the North', testifying to its remarkable adaptation to the extreme conditions of high latitudes.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
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- Eastern sowbreadCyclamen coum
- SowbreadCyclamen hederifolium
- Yellow loosestrifeLysimachia vulgaris
- CowslipPrimula veris
Tips generated and checked by Viridia — adapt them to your local climate.