Aster (Hardy Aster)
Valued for its late summer and fall floral display. Plant in mass for best effect or interplant among other perennials.
| Growing Temperature: | 65-75° F days
60-65° F nights |
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| Soil pH: | 6.0-6.5 |
| Fertility: | Heavy feeders, apply constant liquid feed at waterings. Switch to clear water once blooming. |
| Pests and Diseases: | Aphids, Spider mites, Thrips, and whiteflies.
Botrytis, Powdery mildew, Rhizoctonia foliage blight, and Rust. |
| Potting and Timing: | |
| Moisture: | Require moist, well-drained soil. May require more frequent irrigation as approaching finish date, allow soil to dry slightly between watering. |
| Planting Level: | Place plugs even with the soil line. |
| PGRs/Pinching: | PGR application can be beneficial in controlling height after pinching to promote lateral growth. |
| Lighting: | Short days required to flower. |
3" Plug - Planting Instructions
| Container: | 1 gallon |
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| When to Plant: | Spring to summer |
| Finish: | 8-10 weeks |
50 Cell - Planting Instructions
| Container: | 1 Gallon |
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| When to Plant: | Late spring to summer |
| Finish: |
