Content Detail

Big-leaved goldenray has large leaves, and the plant is attractive even when not in bloom. The flowers are daisylike, orangish yellow, and attract butterflies. It is a great early to midsummer perennial to plant near streams, ponds, in bog gardens, cut flower gardens, shade gardens, pollinator gardens, or rain gardens.

  • Family (English) Aster
  • Family (botanic) Asteraceae
  • Tree or plant type Perennial
  • Native locale Non-native
  • Size range Large plant (more than 24 inches)
  • Light exposure Partial sun / shade (4-6 hrs light daily), Full shade (4 hrs or less of light daily)
  • Hardiness zones Zone 3, Zone 4, Zone 5 (Northern Illinois), Zone 6 (City of Chicago), Zone 7, Zone 8
  • Soil preference Moist, Wet soil
  • Tolerances clay soil, Occasional flooding, Wet sites
  • Season of interest early summer, midsummer
  • Flower color and fragrance Yellow
  • Shape or form Broad
  • Growth rate Moderate
  • Wildlife Butterflies

Size and method of spreading:

The mature height of big-leaved goldenray is 3 to 4 feet and the spread is 2 to 3 feet. They spread through offsets produced by underground stem structures (rhizomes) and self-seeding. 

Native geographic location and habitat: (include C-value if appropriate)

Big-leaved goldenrays are native to China and Japan.

Attracts birds or pollinators: 

Big-leaved goldenrays are known to attract butterflies. 

Leaf description:

As the name suggests, big-leaved goldenray plants produce large, medium-green, leathery leaves. They grow on long stalks (petioles) that originate in clumps near the ground (basal) and can grow to approximately 3 to 4 feet tall. They are rounded at the top and have heart-shaped bases (reniform to cordate). The edges of the leaves are coarsely toothed (dentate margins). 

Flower description:

The flowers of big-leaved goldenray are daisy-like flower heads with petallike ray flowers surrounding a center of numerous disk flowers. The flower heads are approximately 2 to 4 inches in diameter. The ray flowers are orangish-yellow in color and the disk flowers form a center that is a mix of browns and yellows. 

Fruit description:

Big-leaved goldenray produces fruit similar to a dandelion, but with short hairs at the tip (achene).

 

 

Plant Care:

Big-leaved goldenray can be divided every three to four years. This species likes wet soils, so the plant may require some watering. 

List of pests, diseases, and tolerances:

Slugs and snails can be minor pests of big-leaved goldenray. The leaves are sensitive to sun and heat, and they may appear wilted during the day and recover at night.

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