Species · forb

Stiff goldenrod

Solidago rigida

Stiff goldenrod (Solidago rigida) is the goldenrod that belongs in a CRP mix. Unlike aggressive Canada goldenrod, it stays as a discrete clump, and its broad flat-topped flower clusters are among the heaviest late-season pollen and nectar producers on the prairie.

Category
forb
Mature height
2–5 ft
Bloom window
August–September, flat-topped yellow clusters
Moisture
Dry to mesic
Seeding rate
0.05–0.25 PLS lb/ac in a mix
Seeds per lb
~230,000
Native range
Tallgrass prairie and Great Plains

Why landowners plant stiff goldenrod

  • Clump-forming, not rhizomatous — adds goldenrod value without the takeover risk.
  • Massive late-summer pollen supply for bees provisioning overwintering brood.
  • Deep taproot gives strong drought tolerance on thin upland soils.
  • Seedheads feed songbirds into winter.

Site fit

Use on dry to mesic uplands anywhere in the tallgrass and mixed-grass region. Standard in CP42 late bloom-period requirements and in CP25 diversity mixes.

Establishment

Requires cold-moist stratification; dormant seed on the surface with firm packing. Establishes reliably and blooms in year two or three.

Management

Fire tolerant and long-lived. Does not spread aggressively — populations stay stable in mature stands.

CRP practice fit

CP42

Late bloom-period species accepted in state pollinator specifications.

CP25

Standard upland diversity forb.

CP43

Late-season nectar in prairie strips adjacent to row crops.

Featured mixes with stiff goldenrod

Pairs well with

New England aster · Little bluestem · Purple prairie clover · Indiangrass

Frequently asked questions

Isn't goldenrod a weed?

Canada goldenrod spreads aggressively by rhizome and can dominate disturbed ground, which is why it has a bad reputation. Stiff goldenrod is a clump-forming prairie species that stays in balance and is specified in high-quality CP42 mixes.

Does goldenrod cause hay fever?

No. Goldenrod pollen is heavy and insect-carried, not wind-carried. Ragweed, which blooms at the same time, is the actual cause of late-summer hay fever.

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