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Hibiscus coccineus |
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| Common name |
scarlet rose mallow |
| Family |
malvaceae |
| Life cycle |
perennial (Z6-9) |
| Flowers |
purple-red (summer) |
| Size |
3-6' |
| Light |
sun-part shade |
| Cultural notes |
likes moist-wet soil, tolerates heat/humidity |
From seed  |
germinate with bottom heat
Flowers first year from seed sown indoors early.
detailed seed-starting info below
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| Seed ripens | mid-October |
Features large 5-petaled scarlet flowers over a long bloom period. Needs reliable moisture, so I tried planting it in our bog filter - but it didn't appreciate that. The ones planted in an average-moisture zone near the top of our waterfall did quite nice, though. They bloomed in their first year, but not until October. The eye-popping scarlet flowers were worth waiting for, though, and the cool leaf patterns and color variations were great to watch all summer. The next year, only one of several plants returned, but it grew more robustly - by mid-August, flowers opened atop tall stems, turning our waterfall hill into a red-light district.
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In our garden, this plant grows in the following areas: waterfall pond, right fence border, front fence nursery area Seed for this plant is included on my seed trade list One or more images of this plant are included in my stock photo catalog About my plant portraits
PlantLinks to other web pages about Hibiscus coccineus
Visitors to this page have left the following comments| Melisa Camp | May 08, 2011 | I have one of these plants and it is amazing! It doubles its size each year, I love that! |
- Seed from '06 trade. Baggy 75F (70%G, 5-7d)
- Same seed as above. Baggy 75F (29%G, 5-9d)
- Seed from '08 garden. Baggy 75F (60%G, 6-22d)
- Seed from '09 garden. Baggy 75F (2w) - sandpapered - 75F (4w; 10%G, 4-14d)
- Seed from '09 garden. Sandpapered, baggy 75F (55%G, 4-16d)
- Same seed as above. Sandpapered, baggy 75F (58%G, 3-10d)
- Same seed as above. Sandpapered, baggy 75F (no G, 5w)
- Seed from '13 garden. Sandpapered, baggy 75F (15%G, 15-21d)
- Seed for 'Albus' from '14 trade. Sandpapered, baggy 75F (25%G, 5-7d)
Also seed species from '14 trade. Sandpapered, baggy 75F (90%G, 5-10d)
- Seed from NARGS '22/'23 exchange. Sandpapered, baggy 70F (100%G, 4-13d)
Perhaps I harvested the 2009 seed at the wrong time...
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