- Large
- Perennial
- Zones 3–9
- White
- Single
Royal Standard
Perennial large hosta in white, blooming in late summer. White flowers on scapes 35 to 40 inches tall in late summer. USDA zones 3–9.
Cross-referenced · 4 sources
At a glance
- Flower form
- Large Single
- Colors
-
- White
- Blooms
- Late summer
- Vase life
- Not grown for cutting
- Height
- 2 ft (66 cm) Spread: 5 ft (152–160 cm)
- Sunlight
- Full sun, Part sun, Part shade, Full shade
- Hardiness
- USDA zones 3–9 Perennial
- Planted as
- Plant
- Botanical name
- Hosta hybrid
In the garden
- Hummingbirds
- Frequently severely damaged by deer (Rutgers rating)
- RHS Award of Garden Merit
Origin
Hybrid of Hosta plantaginea and H. sieboldiana from J. Grullemans and Wayside Gardens, noted by NH Hostas as the first hosta to receive a plant patent, in 1965.
Sources
Where to buy
Prices rechecked dailyWe may earn a commission when you buy through these links. Your price stays the same. Prices checked Oct 14, 2026.
All photos
Questions
Is Royal Standard hardy in my zone?
Royal Standard survives winter in the ground in USDA zones 3 to 9. In colder zones treat it as an annual or lift it before the ground freezes.
Does Royal Standard need full sun?
Royal Standard grows in full sun, part sun, part shade, or full shade.
When does Royal Standard bloom?
Royal Standard blooms in late summer.
Is Royal Standard good for cutting?
Our sources don't list Royal Standard as a cut flower or give a vase life for it.

