How to Grow Astilbe From Seed
The perennial plant known as astilbe thrives in shady locations. During the early summer months, the plant produces feather-like plume flowers in pink, red, purple, salmon or white. The soft, feathery foliage resembles a fern. Plant height ranges from 18 inches to 5 feet. Propagation occurs from division of the plants rhizomes root system or from seeds. Gather astilbe seeds in the fall or purchase them from a seed dealer. Plant the seeds indoors in the spring six weeks prior to the last frost forecast. Does this Spark an idea?
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Instructions
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Fill a plant tray with starting potting soil. The soil should contain abundant organic humus and many starter mixes offer additional fertilizing nutrients to help plant seeds germinate.
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Soak astilbe seeds for 24 hours prior to planting in a shallow pan. Use lukewarm water.
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Place the astilbe seeds into the starter trays on top of the soil. Add a 1/4-inch layer of starter soil across the seeds tops. Moisten the soil.
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Place the starter tray into a clear plastic bag to encourage germination. Close the plastic bag by folding the plastic under the starter tray.
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Place the starter trays in the a window with filtered sunlight. Keep the soil most around the seeds but do not allow it to become water-logged.
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Maintain a daytime temperature of 70 degrees Fahrenheit. At night the temperature can safely dip to 50 degrees Fahrenheit. Astilbe seeds require a temperature variance between daytime and nighttime to encourage germination.
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Tips & Warnings
Germination occurs 1 to 4 weeks after sowing the seeds.
