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Silphium laciniatum, also known as Compass Plant, is a long lived, perennial member of the sunflower family. Its basal leaves and stems all arise from an underground crown. Large yellow flower heads from 2 to 4 inches across are conspicuous on the upper half to two thirds of the stem in small clusters. Flowering begins in late June and proceeds through August.
Slower grower, but very long-lived, highly recommended for medium to large gardens, may self-seed and naturalize.
Perennials
Height: 5.00 to 9.00 ft
Sun: Full to Partial
Water: Dry to Medium
Silphium laciniatum, also known as Compass Plant, is a long lived, perennial member of the sunflower family. Its basal leaves and stems all arise from an underground crown. Large yellow flower heads from 2 to 4 inches across are conspicuous on the upper half to two thirds of the stem in small clusters. Flowering begins in late June and proceeds through August.
Slower grower, but very long-lived, highly recommended for medium to large gardens, may self-seed and naturalize.
Perennials
Height: 5.00 to 9.00 ft
Sun: Full to Partial
Water: Dry to Medium