Cosmic Rainbow
Hosta 'Cosmic Rainbow' is recorded with yellow with green margins foliage in the large catalogue size group. The AHS registration records a clump 18 inches high and 38 inches across at 6 years old. Its registered leaf shape is broadly ovate, measuring 10 by 8 inches. The registered flower color is near white.
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Description
Hosta 'Cosmic Rainbow' is recorded with yellow with green margins foliage in the large catalogue size group. The AHS registration records a clump 18 inches high and 38 inches across at 6 years old. Its registered leaf shape is broadly ovate, measuring 10 by 8 inches. The registered flower color is near white.
Structured Plant Data
Hosta 'Cosmic Rainbow' is recorded with yellow with green margins foliage in the large catalogue size group. The AHS registration records a clump 18 inches high and 38 inches across at 6 years old. Its registered leaf shape is broadly ovate, measuring 10 by 8 inches. The registered flower color is near white.
Kuenster
2008
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Plant facts and recorded measurements
Registry measurements describe the submitted clump in its recorded growing conditions. They are observations, not a promise of the mature size in every garden. Nursery mature ranges may differ.
| Trait | Recorded information |
|---|---|
| Foliage | yellow with green margins |
| Flowers | near white |
| Registered clump height | 18 in |
| Registered clump diameter | 38 in |
| Registered leaf dimensions | 10 × 8 in |
| Registered leaf shape | broadly ovate |
| Registration year in catalogue | 2008 |
| Registration attribution in catalogue | Kuenster |
Use the record to make a shortlist
Compare 'Cosmic Rainbow' with plants that share its recorded leaf color or size group. Check the exact cultivar name on a nursery label and ask for the expected mature spread before choosing a planting distance.
Light and hardiness are left unassigned when no cultivar-specific source has been checked. The general care guide explains hosta growing conditions, but it does not replace the requirements of an individual plant.
Hosta growing and care guideWhat to check when buying a hosta
Frequently asked questions
How large is 'Cosmic Rainbow'?
The AHS record describes a clump 18 inches high and 38 inches across. This is a registration observation. Your plant's size will depend on its age and growing conditions.
Can I buy 'Cosmic Rainbow' here?
This page is a cultivar reference. Check current verified grower listings before assuming a plant is available; a catalogue entry is not an offer or stock guarantee.
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Sources and further reading
- AHS registration: Cosmic Rainbow (American Hosta Society)
Sources checked . Growing conditions and nursery descriptions can differ.