Strelitzia nicolai
Strelitzia nicolai · Strelitziaceae
📷 Scott Bauer, USDA · Public domain
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around strelitzia nicolai and prepare for winter.
ID card
- Foliage
- Evergreen
- Blooming
- Spring to summer (blue and orange flowers)
- Adult size
- 6 to 10 m in height, 3 to 4 m in width
- Growth
- Moderate to slow
- Hardiness
- Sensitive to cold (min. 10°C)
- Origin
- South Africa
- Soil type
- Well-draining, rich in organic matter
Expert tips
The key tip
Maintenez le substrat légèrement humide en croissance (printemps-été) mais laissez-le sécher en surface entre deux arrosages ; en hiver, réduisez drastiquement car la plante ne transpire presque plus et meurt d'excès d'eau à cette saison. Utilisez un terreau bien drainant (ajoutez 30% de perlite ou pouzzolane) pour éviter l'asphyxie racinaire.
The common mistake
La plupart des jardiniers noient leur Strelitzia nicolai en hiver en gardant le même rythme d'arrosage qu'en été ; elle perd ses feuilles et pourrit lentement sans qu'on ne le voit venir.
The pro's trick
Surfacez la terre avec 2-3 cm de substrat frais chaque printemps sans rempoter complètement ; cela ravive la plante, réduit le tassement du terreau et stimule une meilleure floraison sans la traumatiser.
Seasonal watch
En automne-hiver, surveillez l'humidité de l'air qui chute drastiquement au chauffage ; elle jaunit rapidement des feuilles basses (signe de stress hydrique combiné au froid). Brumisez légèrement le feuillage 1-2 fois par semaine pour compenser.
Care
Light and exposure
Place your Strelitzia nicolai in a very bright location, ideally in bright indirect light. It tolerates a few hours of morning direct sun. Avoid dark areas, which slow down flowering and growth.
Watering
Water regularly during the growing season (spring and summer) to keep the substrate slightly moist, without waterlogging. Reduce watering in autumn and winter. Let the soil dry slightly between waterings and ensure water drains well to prevent root asphyxia.
Substrate and repotting
Use rich potting soil mixed with perlite or sand to ensure optimal drainage. Repot every 2 to 3 years in spring, gradually increasing pot size. This plant likes being slightly rootbound, which encourages flowering.
Fertilization
Apply balanced or potassium-rich fertilizer every 15 to 20 days during the growing season (April to September). Reduce or stop fertilizing in winter. A potassium-rich supply promotes the appearance of spectacular blue flowers.
Pruning and maintenance
Remove dry or damaged leaves as they appear. Light pruning of stems can be done in spring to encourage a compact shape, but be careful: this plant flowers on old wood. Clean leaves regularly to promote photosynthesis.
Pests and diseases
Watch for spider mites, mealybugs, and thrips, especially in dry environments. Excess humidity can cause root rot or powdery mildew. Ensure good air circulation and avoid stagnant humidity around the foliage.
Did you know?
Strelitzia nicolai is named after Duke Nicholas I of Mecklenburg-Strelitz, husband of Queen Charlotte of the United Kingdom in the 18th century. Its spectacular and exotic flowers, which resemble a bird's head with spread wings, fascinated European collectors from their introduction to Europe and remain a symbol of botanical luxury.
Where to buy it
Plant in spring, once all risk of frost has gone. Pick a plant with healthy foliage and roots that are not exposed. Best time: from April to June.
Add this plant to my garden →Plants from the same family
- Bird of paradiseStrelitzia reginae
- Strelitzia junceaStrelitzia juncea
- SageSalvia officinalis
- Pedunculate oakQuercus robur
- CamelliaCamellia japonica
- GrapevineVitis vinifera
Tips generated and checked by Viridia — adapt them to your local climate.