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Guide botanique

Hosta.

Hosta L.

Prononciation HOS-tuh

Hostas are beloved shade-loving perennials known for their lush foliage, which comes in a remarkable variety of colors, shapes, and textures. They are low-maintenance plants that add significant visual interest to shady gardens, borders, and containers. Hostas typically produce spikes of bell-shaped or trumpet-shaped flowers in the summer.

En un coup d'œil

Care level
Easy
Plant type
Perennial
Light
Partial Shade to Full Shade
Indoor light
medium
Water
Every 3 to 7 days
Mature size
Varies greatly by cultivar; typically 0.5-1m in height and spread.
Growth rate
medium
Hardiness
USDA 3 to 9
Bloom time
Summer

Entretien

Hostas thrive in partial to full shade and prefer moist, well-draining soil. They benefit from consistent moisture, especially during dry periods, but avoid waterlogged conditions. Mulching can help retain soil moisture and suppress weeds. Watch for slug and snail damage, which is common.

Watering
Water regularly, keeping soil consistently moist but not soggy; reduce watering in cooler months.
Feeding
Fertilize in spring with a balanced slow-release fertilizer; excessive nitrogen can lead to scorch.
Pruning
Remove dead or damaged leaves as needed; cut back spent flower stalks after blooming.
Repotting
Repot when the plant becomes root-bound or outgrows its container, typically every 1-3 years.
Soil
Rich, moist, well-draining loam
Soil pH
6.0-7.5
Temperature
-34.4 to 32.2°C
Humidity
50 to 70%

Sécurité

Pets
Non-toxic to cats and dogs.

Comment l'identifier

  • Large basal rosette of leaves
  • Leaves vary greatly in size and color
  • Heart-shaped or lance-shaped leaves
  • Spikes of bell-shaped flowers
  • Grows from thick rhizomes
  • Prefers shade
Height
0.15 to 1m
Spread
0.2 to 1.2m
Leaves
Green, Blue-green, Yellow, Variegated, deciduous
Flowers
White, Lavender, Purple, Pale blue, 2.5 to 5cm

La cultiver

Propagation
Division, Seed
When to plant
Spring, Autumn

Ton hosta a mauvaise mine ?

Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.

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Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.