Published by Paul Ivinskas
Sunday, October 25, 2026

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Wildlife & plants · Wildflowers

Scarlet gilia

A slender wildflower whose long trumpets rise from finely divided leaves and offer nectar to hummingbirds and other visitors.

Scarlet gilia flower and bud close up
File photo: scarlet gilia flower and bud close up · Cropped to fit. Photo: Dcrjsr · CC BY-SA 3.0 · Wikimedia Commons

Scarlet gilia is often noticed as a vertical line of red against a dry slope. Its flowers have a long, narrow tube ending in five spreading lobes, while the leaves are finely divided into thin segments. Scarlet and orange-red are familiar colors, but pale pink, salmon, and even white occur within the broader species. A flowering stalk usually rises above a basal rosette, making the plant look very different from the low leafy form visible before it blooms.

Its life cycle rewards looking beyond a single summer. Plants may spend one or several years as rosettes, then flower and usually die after producing seed. Calling every individual a strict two-year biennial would oversimplify that pattern. Scarlet gilia favors sunny openings in sagebrush, mountain-shrub, and forest settings, often on well-drained soils. Utah's varied elevations spread the flowering season: late spring and summer are useful expectations, rather than one dependable statewide month.

Hummingbirds pollinate the flowers, and cross-pollination is important for seed production. This relationship makes the surrounding habitat part of the floral display: the plant needs visitors moving among flowers, not simply an isolated attractive stem. Watch from a little distance and let animals approach on their own. Leave flowering stalks and low rosettes intact; cutting a bloom removes part of a plant's limited opportunity to reproduce. Being eaten does not reliably mean more flowers. The NRCS plant guide reports field observations of bushier plants with more flowers after browsing, but also clipping trials in which plants cut in June and July produced about four times fewer flowers, and earlier cutting beginning in April showed no extra flowering. Timing seems to matter, and the evidence does not support clipping as a way to get more blooms. Leave wild stalks alone.

How to recognize it

Long tubular five-lobed flowers, finely divided leaves, and a tall flowering stem above a rosette.

Seeing it

Stay back to watch pollinators; leave flowers and rosettes undisturbed.

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