Growing guide · Perennials

Hosta 'Humpback Whale'

How to grow Hosta 'Humpback Whale'.

Big and blue. Plan accordingly.

Light
Part sun, shade
Water
Moderate
Zones
3–9
Size
2–3 ft tall, 5–7 ft wide
Spacing
5–6 ft apart.
Pets
Not on the ASPCA pet-safe list; keep it out of reach
Giant hosta with thick, heart-shaped, puckered blue-green leaves

Light

Part shade to shade. Morning sun only.

Water

Keep evenly moist, especially while it's establishing.

Planting and soil

Plant in spring or early fall with the crown at soil level. Work in compost.

Feeding

Compost or a balanced slow-release feed in spring.

Pruning

Cut flower stalks after bloom. Remove leaves after frost.

Through the year

Shoots in April. Bluest in May and June. Flowers in summer. Collapses with hard frost.

If something's off

Thick leaves resist slugs but not deer. Hostas are toxic to dogs and cats if eaten.

Plays well with

Plant it with friends.

Autumn Fern 'Brilliance'
Dryopteris erythrosoraAutumn Fern 'Brilliance' from $29.99
Sedge Moon Falls™
Carex 'ET CRX 904'Sedge Moon Falls™ from $36.99
Coral Bells 'Southern Comfort'
Heuchera villosa hybridCoral Bells 'Southern Comfort' from $35.99

Why we stock it: A one-plant statement for shade, with leaves thick enough that slugs struggle.

That's everything we know about growing it. Thanks for reading.

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