Aruncus sylvester is a large, herbaceous perennial known for its dramatic, feathery plumes of white flowers that appear in early summer, resembling astilbe but larger.
At-a-glance light, water, soil, and growing conditions from plant data
Partial Shade to Full Sun
50% intensity
Thrives in partial shade but can tolerate full sun if soil remains consistently moist.
Consistent Moisture
75% intensity
Prefers evenly moist soil; water when top soil is dry.
Moist, Well-drained
50% intensity
Hardy Perennial
25% intensity
Tolerates a wide range of temperatures; hardy in USDA zones 3-8.
Moderate Feeding
50% intensity
Light feeding in spring with balanced fertilizer or compost.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Aruncus sylvester prefers consistently moist soil. Water deeply when the top few centimeters feel dry. Avoid waterlogging, especially during winter.
In hot, dry periods, more frequent watering may be necessary to maintain soil moisture. Mulching can help retain soil moisture.
Prune Aruncus sylvester after flowering or in late winter to remove dead or damaged stems. Cutting back spent flower plumes can improve appearance and prevent self-seeding if undesirable.
Division can be done at this time as well.
Aruncus sylvester is best propagated by division in early spring or autumn. Carefully dig up the plant and separate the rhizomes into sections, ensuring each section has roots and at least one bud.
Replant immediately into prepared soil.
Repotting is generally not necessary for mature Aruncus sylvester plants as they are large, clump-forming perennials. If division is performed, the new sections are essentially replanted into their desired locations or into containers if starting smaller plants.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Aruncus Sylvester (Aruncus sylvester)
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Aruncus |
| Species | Aruncus sylvester |
Similar in genus Aruncus
Answers based on plant encyclopedia data
