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Rocky Mountain Hemlock-Parsley

Conioselinum scopulorum

Last reviewed: June 2026

Rocky Mountain Hemlock-Parsley (Conioselinum scopulorum)
Photo: Patrick Alexander from Las Cruces, NM / Wikimedia Commons (CC0)

Light

part sun

Water

medium

Size

12"–36" H × 6"–12" W

Bloom

Jul, Aug, Sep

Native to

AZ, CO, MT, NM and 3 more states

Pollinators

bees, flies, beetles

Conioselinum scopulorum is a native perennial that grows 1-3 feet tall with delicate, fern-like foliage and small white flower clusters. It thrives in partial sun with moderate water and blooms from July through September. The plant dies back to the ground each winter and returns in spring.

In an HOA neighborhood

Rocky Mountain Hemlock-Parsley takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Appears weedy and unstructured to most homeowners
  • Dies back completely in winter leaving bare ground
  • Delicate appearance may look unkempt in formal settings

Wildlife value

This native plant provides nectar for bees, flies, and beetles during its long summer blooming period. The umbrella-shaped flower clusters are particularly attractive to beneficial insects.

Common questions

How much sun does Rocky Mountain Hemlock-Parsley need?
Rocky Mountain Hemlock-Parsley grows best in part sun conditions.
When does Rocky Mountain Hemlock-Parsley bloom?
Rocky Mountain Hemlock-Parsley blooms in July, August, and September.
Where is Rocky Mountain Hemlock-Parsley native?
Rocky Mountain Hemlock-Parsley (Conioselinum scopulorum) is native to AZ, CO, MT, NM and 3 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Rocky Mountain Hemlock-Parsley attract?
Rocky Mountain Hemlock-Parsley draws bees, flies, and beetles.
Is Rocky Mountain Hemlock-Parsley HOA-friendly?
Rocky Mountain Hemlock-Parsley takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Rocky Mountain Hemlock-Parsley? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz