ERIOGONUM umbellatum (Sulphur Flower) is a perennial flowering plant that belongs to the Polygonaceae family. It is native to western North America, including regions such as the Rocky Mountains and the Great Basin.
Appearance: Sulphur Flower typically grows to a height of 6 to 18 inches (15 to 45 centimeters). It has a compact and rounded growth habit with numerous small, densely clustered flowers. The flowers can vary in color, ranging from bright yellow to sulfur yellow, and they form rounded clusters or umbels. The leaves are typically small, linear to lance-shaped, and often gray-green or silver in color.
Blooming period: This species usually blooms from late spring to summer, typically from June to August. The flowers are attractive to pollinators such as bees, butterflies, and other insects.
Habitat and cultivation: Sulphur Flower is adapted to dry, well-drained soils and thrives in full sun. It is commonly found in prairies, meadows, open slopes, and rocky areas. In cultivation, it is suitable for native plant gardens, rock gardens, and xeriscapes. It is a drought-tolerant plant and can tolerate poor soil conditions.
Garden and landscape use: Sulphur Flower is valued for its vibrant yellow flowers and its ability to thrive in dry and rocky conditions. It is often used in naturalistic landscapes, wildflower gardens, and meadow plantings. It pairs well with other drought-tolerant plants and is suitable for low-maintenance and water-wise gardens.
||Number of Seeds
||Max Coverage Area (Square Ft.)
Scientific Name: Eriogonum Umbellatum
Common Name: Sulphur Flower
Plant Type: Perennials
Native Range: US, Mexico
Full Growth Height: 12-16"
Width in Across: 60-90"
Exposure: Full Sun
Blooming Season: Summer, Fall
Flower: Dried, Showy
Pollinators: Sun, Wind, Butterflies, Bees
Flower Color: Green
Tolerate: Dry Conditions
Water Requirement: Low
Soil Type: Loam, Sand
Uses: Beds, Ground Covers