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Crimsoneyed rosemallow is a wonderful hardy hibiscus for large summer gardens. This semi-woody species originates from central and eastern North America and has an upright, shrubby habit. Its leaves are large, sometimes lobed and have a soft texture. From summer to fall enormous disc-shaped flowers of white with striking red centers appear. Pink and red-flowered selections are also available.
Crimsoneyed Rosemallow is late to emerge in the spring but thrives in the heat of the summer. It grows best in sites with full sun, and most soil types, even poorly drained soils. Japanese beetles favor its leaves, so plants must be protected while these beetles are foraging. Enjoy this large perennial in sunny borders, foundation plantings and moist garden areas. (info source: Learn2Grow.com)
Genus - Hibiscus
Species - Moscheutos
Common name - Rosemallow mixed
Pre-Treatment - Not-required
Hardiness zones - 5 - 7
Height - 5'-8' / 1.5m - 2.4m
Spread - 2'-3' / 0.6m - 0.9m
Plant type - Perennial, flower
Vegetation type - Ornamental deciduous
Exposure - Full sun
Growth rate - Medium
Soil PH - Neutral. alkaline
Soil type - Clay, loam, sand, well drained
Water requirements - Average, moist
Landscape uses - Feature Plant, Foundation, Mixed Border, Wildflower
Germination rate - 94%
Bloom season - Early summer, summer
Leaf / Flower color - Green / White, Red, Pink
| Useful Info | |
| Germination | Seeds can be planted in a commercial seed starting medium or a mix can be made out of some combination of sand, perlite, vermiculite. The seeds are planted 1/4 to 1/2" deep in the mixture and should germinate in a week to a month on average. <br /> It is best to keep the temperature about 80 to 85° F (about 28° C) and the medium moist, but not soggy. A heat mat to provide bottom heat is helpful. <br /> Until you have found out what works best for you, the seed starting kits that are available in gardening stores and catalogs that use small plastic cells may be the best way to start -- one seed per cell.. Some have used styrofoam coffee cups with drainage holes poked in the bottoms and 100% perlite to start their seedlings. Some plant several seeds in 4" pots. Putting the pots/cups, etc. in trays with clear domes and starting under lights can give them a headstart.<br /> It is absolutely essential that you do not use too much water. Seeds will rot and will not germinate if they stay in a wet/soggy medium.<br /> After the seedlings have developed several sets of true leaves and the stems have begun to harden and become woody, they may be moved to a larger pot. A water soluble 20-20-20 fertilizer can be used per label directions at this point. Some growers will move these 3 or 4" tall seedlings to a gallon plastic pot containing potting soil, others will move their seedlings up in several stages to gallon pots and use soilless mixtures. Some growers plant their young seedlings in the ground in their own bed. (Always avoid disrupting the plant and its roots as much as possible in these moves.) These small seedlings should be gradually introduced to sun over several days. Remember they are tender, so avoid temperatures in the 40s.<br /> Information source: trop-hibiscus.com |
