Hosta
'Krossa Regal'
Krossa Regal Hosta
| Family |
| Asparagaceae |
| Genus |
| Hosta |
| Cultivar |
| 'Krossa Regal' |
| Category |
| Perennials |
| USDA Hardiness Zone |
| 3 - 8 |
| Canadian Hardiness Zone |
| 1 - 8 |
| RHS Hardiness Zone |
| H7 - H4 |
| Temperature (°C) |
| -40 - (-7) |
| Temperature (°F) |
| -40 - 20 |
| Height |
| 60 cm |
| Spread |
| 60 cm |
| Landscape |
| Excellent in flower borders and beds, although will take up a large section of the garden. |
| Cultivation |
| Grow in partial or full shade in any fertile soil that has been enriched with well-rotted organic manure. A pH of 6-7 is preferred, and a continuous supply of moisture is critical for optimum performance. |
| Growth |
| Fast |
| Pests |
| Slug resistant, but rabbits and deer may be a problem. |
| Habitat |
| Horticultural origin. |
| Leaf Description |
| Leaf blade measures 28 by 18 cm, having a smooth texture and soft-blue colour. |
| Flower Description |
| Flowers are bell-shaped and purple, and are particularly attractive to hummingbirds. |
| Notable Specimens |
| The A.M. Cuddy Gardens, Strathroy, Ontario, Canada. Royal Botanical Gardens, Burlington, Ontario, Canada. |
| Propagation |
| Propagate through division of clumps, although clumps should be left undisturbed for at least 3 years in order to allow the leaves to reach maturity. Plant in spring or (in areas with milder winters) autumn, allowing the roots to soak overnight in a weak solution of liquid fertilizer first. |