Compass Plant Silphium laciniatum plant seeds for perennial wildflower gardens
Silphium laciniatum Compass Plant with deeply divided leaves and yellow flower heads
Compass Plant with deeply divided green foliage and yellow sunflower-like flower heads
Compass Plant Silphium laciniatum plant seeds for perennial wildflower gardens
Silphium laciniatum Compass Plant with deeply divided leaves and yellow flower heads
Compass Plant with deeply divided green foliage and yellow sunflower-like flower heads

Compass Plant Silphium laciniatum plant seeds

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  • Estimated Delivery Oct 28 – Nov 01
    Handling 2–3 days
    Transit 6–8 days
    Total 8–11 days

    Business days, Monday to Friday.

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    • No dispatch on weekends or UK public holidays
Compass Plant Silphium laciniatum plant seeds for perennial wildflower gardens

Compass Plant Silphium laciniatum plant seeds

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Growing Tips & Guides

Compass Plant – Silphium laciniatum Plant Seeds

Compass Plant, scientifically known as Silphium laciniatum, is a distinctive perennial wildflower native to central North America. Belonging to the Asteraceae family, this plant is recognized for its tall flowering stems, deeply divided leaves, and bright yellow flower heads that resemble small sunflowers. Its unusual foliage and upright growth habit make it a notable choice for native plant gardens, prairie-inspired landscapes, and naturalistic perennial borders.

Growing Compass Plant from seed provides an opportunity to cultivate a long-lived wildflower that adds vertical structure and seasonal color to suitable outdoor spaces.

Plant Characteristics

Compass Plant is a herbaceous perennial that develops substantial roots and tall stems as it matures. Its large green leaves are deeply divided into narrow segments, creating a distinctive texture that contrasts with plants featuring broader foliage.

Mature plants produce yellow flower heads during the flowering season. The common name refers to the tendency of its leaves to orient broadly in a north–south direction under certain growing conditions. This characteristic may vary depending on the individual plant and its environment.

As a perennial species, Compass Plant can remain established over multiple growing seasons when grown in a suitable location. Its mature size and root development should be considered when planning garden layouts.

Growing Conditions

Sunlight: Compass Plant generally grows best in full sun. Select an open location that receives plenty of direct sunlight throughout the day.

Soil: Well-drained soil is important for successful establishment. This species is associated with prairie habitats and may grow in different soil types when drainage and other environmental conditions are suitable.

Watering: Maintain appropriate moisture during seed germination and early seedling development. After establishment, watering requirements depend on rainfall, soil characteristics, and local climate.

Space: Allow adequate room for mature foliage, tall flowering stems, and root development. Avoid planting too close to walkways or smaller plants that may be crowded by its growth.

Seed Starting and Planting

Compass Plant can be grown from seed, although germination may vary depending on seed quality, dormancy, and environmental conditions. Some seeds may benefit from cold, moist stratification before sowing. Follow the supplier's specific germination instructions whenever available.

Use a suitable seed-starting medium with good drainage. Maintain consistent moisture during germination without saturating the growing medium. Once seedlings are sufficiently developed to handle, transplant them carefully into a permanent outdoor location with full sun and adequate space.

Because Compass Plant develops a substantial root system, minimize unnecessary root disturbance during transplanting. Choose the planting site carefully, as established plants may be difficult to relocate.

Garden and Landscape Uses

Compass Plant is suitable for native wildflower gardens, prairie-style landscapes, naturalistic plantings, and spacious perennial borders. Its tall stems provide vertical interest, while its yellow flower heads introduce seasonal color. The deeply divided foliage adds visual texture to mixed planting arrangements.

This perennial can be incorporated into larger native plant displays alongside compatible prairie species. When planning a garden, consider the mature height, available sunlight, soil drainage, and spacing requirements of neighboring plants.

Product Specifications
  • Common Name: Compass Plant

  • Botanical Name: Silphium laciniatum

  • Plant Type: Herbaceous perennial wildflower

  • Plant Family: Asteraceae

  • Flower Color: Yellow

  • Foliage: Deeply divided green leaves

  • Light Preference: Full sun

  • Product Type: Plant seeds

  • Garden Applications: Native plant gardens, prairie landscapes, wildflower areas, and perennial borders

Additional Growing Notes

Compass Plant may take time to establish and develop its mature flowering form. Growth rate and flowering time depend on the growing environment, seed condition, and cultivation practices. Suitable sunlight, good drainage, and sufficient room for root development are important considerations.

Before planting, review any seed preparation or germination instructions provided by the supplier. Consider local climate and growing conditions when selecting a permanent planting location.

Compass Plant Silphium laciniatum plant seeds are intended for gardeners interested in cultivating distinctive perennial wildflowers and creating naturalistic outdoor landscapes.

Compass Plant – Silphium laciniatum Plant Seeds

Plant Characteristics

Growing Conditions

Seed Starting and Planting

Garden and Landscape Uses

Product Specifications

Additional Growing Notes

Plant care

How to plant your seeds

Follow these simple steps to give your seeds the best start.

  1. Prepare your soil & tray

    Fill trays or small pots with seed-starting mix. Press gently to settle—no need to pack tight.

  2. Sow seeds at the right depth

    Plant roughly 2–3× the seed’s width deep. Tiny seeds can be pressed lightly into the surface.

  3. Water & keep warm

    Mist or bottom-water. Cover until sprouting if the packet suggests it. Keep in a bright, warm spot.

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