How to Plant Rose Moss Seeds
Rose moss (Portulaca grandiflora), a relative of the hardy weed purslane, is a perfect plant for hot and dry conditions. It will tolerate a variety of soils, and its bright flowers are a beautiful asset to a rock garden or other craggy, borderline conditions. Newer varieties have larger flowers, are more colorful, and stay open longer throughout the day.
Use rose moss in hanging baskets, along parking strips, as a bank cover or as an edging. These plants will take a lot of abuse and reward you with a beautiful spring and summer display.
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Instructions
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Plant Rose Moss Seeds
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1
Prepare your seed location. It doesn't matter if you are planting in a basket or between paving stones; rose moss needs well-draining soil for its foundation. Soil need not be rich, as this plant does well even in poor to average soil. Add a bit of high-nitrogen fertilizer to the location to speed growth.
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2
Distribute and cover your seeds. Rose moss seeds are quite small, so just distribute them as evenly as you can. You will thin the plants later. Cover your seeds with 1/4 to 1/2 inch of soil and press into place. Water gently and completely.
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3
Keep soil moist until your plants are established, then water when soil dries out. Thin three-inch-tall seedlings so that the remaining ones are about nine inches apart. The plants will spread and thicken.
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4
Care for your seedlings. Add a bit of high-phosphorus fertilizer when blooming starts, if desired. Prune your plants when they get long to force them to thicken up. Remove spent flowers to prolong the blooming cycle.
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Tips & Warnings
Use rose moss for children's gardens. It is easy for children to handle successfully.
Do not overwater your rose moss.
Do not plant your seeds too deep.
Do not plant until your last frost passes, and after the soil has warmed up.