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Polemonium pulcherrimum 'Blue master' |
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| Common name |
Jacob's ladder, Western sky pilot |
| Family |
polemoniaceae |
| Life cycle |
perennial |
| Flowers |
blue |
| Size |
to 12" |
| Light |
full sun-part shade |
| Cultural notes |
ordinary garden soil, not too dry |
From seed  |
germinates at room temperature, needs light detailed seed-starting info below
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| Seed ripens | early July |
This strong-growing Jacob's ladder has been much sturdier and more reliable in our garden than the common Jacob's ladder P. caeruleum. It has the same delicate compound foliage, and blue flowers.
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| | Amazingly popping-green foliage in early April |
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In our garden, this plant grows in the following area: orchard nursery area Seed for this plant is included on my seed trade list About my plant portraits
Some helpful links to other websites
Visitors to this page have left the following comments| Leo McAdams | Nov 02, 2005 | Do you have any information on how hardy this is? Other Polemoniums do well here in zone 2b. Not first-hand, Leo. The Las Pilitas site (linked from my page) suggests zone 4-7. |
- Seed from '02 trade. Baggy with light. 70F (68%G, 4-12d)
- Same seed as above. Baggy with light. 70F (84%G, 6-9d)
- Seed from '05 garden. Baggy 70F with light (58+%G, 4-10d)
- Seed from '06 garden. Baggy 70F with light (50%G, 6-11d)
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Last modified:
February 11, 2008
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