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Euthamia graminifolia

flat-top goldentop add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun, part-sun

Water Use: medium

Soil Moisture: dry, moist, wet

Soil Description: rich, loam, clay, sand, gravel/rock

Height: 2'-4'

Bloom Time: July, August, September, October

Bloom Color: yellow

Leaf Color: green

Hardiness Zone: 2, 3, 4, 5, 6, 7, 8

Additional Tags: attracts bees, attracts butterflies, clumping, colonizing, cottage garden plant, naturalizing, rock garden plant, stream margin plant

Euthamia graminifolia (flat-top goldentop)
  • Euthamia graminifolia (flat-top goldentop)
  • Euthamia graminifolia (flat-top goldentop)
  • Euthamia graminifolia (flat-top goldentop)
  • Euthamia graminifolia (flat-top goldentop)

Pricing & Availability

Description

Euthamia graminifolia

Also known as:

flat-top goldentop

,

grass-leaved goldenrod

,

lance-leaved goldenrod

,

lanceleaf goldenrod

,

flat-topped goldenrod

Scientific Synonyms:

Solidago graminifolia

Description

Euthamia graminifolia is a medium height native wildflower that usually does not grow taller than 4'. The stems are often branched, giving the plant a full appearance. It produces dense terminal, "flat" clusters of small yellow flowers. These open gradually providing a bloom time that can extend for over a month. The green leaves are elongated, grass-like, up to 4" long and usually less than 1/4" wide.

Cultivation

Flat-top goldentop is easy to grow in rich, moist, well-drained soil, preferably in full sun. Under ideal conditions it will spread rapidly by means of rhizomes to form dense colonies. This species is less susceptible to powdery mildew than other goldenrods, however it is best to place it in a location with good air circulation to further minimize the risk. Established plants are tolerant of irregular dry conditions. Can bloom as early as July, and as late as October or first frost. Very hardy: zones 2-8

Propagation

It is easily propagated by clump or rhizome division, in early spring or when the plant is dormant. Is also easy to propagate from seed without pretreatment, though the viability of stored seeds seems to increase when they are subjected to a period of cold stratification.

Additional Notes

Euthamia graminifolia is easy to grow and adaptable. Its form and height are greatly variable and dependent on soil quality and moisture. A good choice for cottage gardens and rock gardens alike.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, CO, CT, DC, DE, IA, ID, IL, IN, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NH, NJ, NM, NY, OH, OK, PA, RI, SC, SD, TN, VA, VT, WA, WI, WV, WY

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae Aster family
Genus Euthamia goldentop
Species Euthamia graminifolia flat-top goldentop