Hosta 'Undulata'
Hosta undulata · Asparagaceae
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⚠️ Chats : feuillage toxique par ingestion, cause troubles digestifs légers à modérés.
The gardener's calendar
Ideal time to plant hosta 'undulata': set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Scientific name
- Hosta undulata
- Family
- Asparagaceae
- Foliage
- Deciduous, cream-white and green variegated
- Flowering
- July-August, lavender flowers
- Mature size
- 60 cm in height
- Hardiness
- Very hardy, down to -15°C
- Origin
- Japan
- Growth
- Moderate to slow
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Keep soil consistently moist but well-drained, without letting it dry out between waterings. Divide every 3-4 years in spring to rejuvenate clumps and get denser, more colorful foliage.
The common mistake
Most gardeners plant it too much in sun or in soil that's too dry, which fades the white and yellow variegation and yellows the leaves.
The pro's trick
Mulch generously with fallen leaves in autumn: this maintains moisture, enriches the soil and boosts vigor.
Care
Light Exposure
Your variegated hosta prefers shaded or partially shaded areas, where its striking foliage truly shines. Avoid direct, prolonged sunlight as it can scorch the delicate leaves and fade the variegation. A spot beneath trees or on the north side of your garden works perfectly.
Watering
Keep the soil consistently moist without allowing water to stagnate. Water generously during dry spells, especially in summer. The soil should remain cool and fresh but well-draining to prevent root rot.
Soil
Hosta undulata thrives in soil rich in organic matter, well-draining, and slightly acidic to neutral. Enrich your soil with compost or potting mix at planting time. Humus-rich soil promotes vigorous growth and more abundant foliage.
Fertilizing
Apply a balanced fertilizer in spring as new leaves emerge. A feeding in late summer helps prepare your plant for winter. Light monthly fertilization during the growing season (April through September) ensures lush, colorful foliage.
Pruning
No pruning is necessary. Simply remove dead or damaged leaves as they appear. Faded flowers can be removed or left if you enjoy the autumn dry appearance.
Diseases and Pests
Hosta undulata can be affected by slugs and snails, which create holes in the leaves. Install physical barriers or use organic baits. Watch for scale insects indoors. Good drainage prevents fungal rot issues.
Did you know?
Hostas have been revered in Japan for centuries, adorning monastery gardens and princely courtyards. The 'Undulata' cultivar was among the first variegated hostas introduced to the West in the 19th century, transforming European shade gardens by creating spectacular contrast with its wavy white and green leaves.
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.
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Tips generated and checked by Viridia — adapt them to your local climate.