Amsonia
Bluestar provides multi-season interest with star-shaped blue spring flowers and green foliage that turns a dramatic golden-yellow in autumn.
Growing Guide & Production Protocols
Cultivation & Growing Guidelines
Amsonia, commonly known as ‘bluestar’, is a hardy perennial from the Apocynaceae family, appreciated for its star-shaped blue flowers and fine-textured foliage that turns golden in fall. It thrives in full sun to partial shade, in well-drained soil and moderate fertility, showing excellent cold tolerance and long-term garden reliability. Establishes well from propagation with reliable sticking and steady rooting in well-drained media. Prefers moderate moisture and balanced feeding to support strong foliage and natural clumping growth. PGR use is generally unnecessary, as its habit remains controlled while producing abundant star-shaped blooms.
Amsonia is ideal for naturalistic landscapes, perennial borders, and pollinator-friendly plantings, offering multi-season interest and graceful structure.
For more detailed growing tips – such as sticking guidelines, recommended PGRs, and scheduling protocols – check out our Amsonia Growing Tips.
Common Production Base Specs
Core agronomic requirements applying across all Amsonia series.
| Crop Type | Bedding - Perennials |
|---|---|
| Growing Guide & Production Protocols | Amsonia , part of the Apocynaceae family, is known for its star-shaped blue flowers and spectacular golden fall foliage. This herbaceous perennial thrives in full sun to partial shade, average, well-drained soil. With deer resistance and low maintenance needs, Amsonia blooms in late spring to early summer, making it a favorite for mixed borders, native gardens, and mass plantings that need multi-season visual interest. |
| Cultivation & Groweing guidelines | Establish early at 65-68°F (18-20°C) to bulk. If bulking for spring sales, many varieties benefit from dropping temperatures to 40-50°F (4-10°C) for vernalization. pH 5.8-6.2, EC 1.0-1.5, feed 100-150 ppm N. Allow media to dry moderately between waterings to encourage deep root systems. Fungicide drench recommended at transplant. |
| Growth Habit | Upright / Clumping |
| PGR Requirements | Minimal |
| Recommended Formats | Gallons, Landscape |
| Flowering Season | Late Spring to Early Summer |
Commercial Amsonia Series Overview
Danziger offers a specialized Amsonia lineup, with each series bred for specific growth habits and production goals. Danziger offers different series within this crop:
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More Amsonia varieties
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