Oligoneuron rigidum

stiff goldenrod - Oligoneuron rigidum 10JL31

characteristics

Perennial; leaves are green with the stem (basal) leaves being thicker and leathery late in the year. Unbranched reddish stems end in a flat topped flower cluster. Flowers are yellow and slightly larger than other goldenrods. Tends to grow in clumps. Basal leaves often persist through the winter. Reseeds readily.

All you have to do is push down on one of these plants to know why it's named stiff goldenrod.

770,000 seeds/pound; starts from seed, bare root, cuttings.

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P Y 1.0 0.3 S/PS M-C DM ••• - 5.0-7.5 green (red) grey yellow-deep

habitat

Fields, thickets, roadsides and railway edges.

uses

Attracts bees, moths, beetles, and butterflies; especially monarchs.

A food source for deer, rabbits, and muskrats; in particular during early growth.

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common > name = have on site
T = type: A = annual | B = biennial | P = perennial | SS = subshrub | D = deciduous | C = coniferous
██ = cold stratify | ██ = cold stratify & scarify | ██ = plant directly | ██ = scarify | ██ = not from seed
SSN = season: C = cool | W = warm | Y = late
H = height (in metres) | W = width (in metres) | B = bunch | S = sod | SB = sod/bunch
sun: S = full sun | S/PS = sun or partial shade | PS = partial shade | SH = full shade
soil: F = fine | M = medium | C = coarse
H2O = moisture requirement: D = dry | M = moist | W = wet | Z = aquatic
fire = fire tolerance: - = unknown | X = none | = some | •• = moderate | ••• = high tolerance
N2 = nitrogen fixing: = yes
summer = foliage colour | fall = foliage (stem) colour | flower (seed) = flower (seed / fruit) colour, if conspicuous
pH = acidity - alkalinity