By the time March arrives on Colorado’s Western Slope, winter still holds the high country in its grip. Snow lingers across the Grand Mesa, cold winds sweep down the valleys, and most gardens remain quiet beneath the soil.
But if you look closely along sunny hillsides, near irrigation ditches, or at the edges of pastureland, you’ll start to see the first signs of spring awakening.
These early plants are more than just pretty flowers. They are lifelines for pollinators emerging from winter dormancy, offering some of the first nectar and pollen available after months of scarcity.
On the Western Slope, these humble early blooms play a quiet but essential role in the rhythm of the season.
Why Early Flowers Matter
Many native bees, butterflies, and other pollinating insects emerge as soon as temperatures begin to rise above about 50°F.
But early spring can be a difficult time for them. Food sources are still limited, and without nectar and pollen, these pollinators may struggle to survive long enough to reproduce.
Early-blooming plants provide:
• Nectar for energy
• Pollen for protein and reproduction
• Habitat and shelter during unpredictable weather
In other words, the first flowers of spring help set the stage for the entire growing season.
Early Spring Plants on the Western Slope
Pasque Flower (Pulsatilla patens)
One of the most beloved early bloomers in the Rocky Mountain region, the Pasque flower often appears while snow still rests nearby.
Its soft purple petals and bright golden center attract early native bees searching for their first reliable food source.
The plant’s fuzzy stems and leaves help protect it from lingering cold winds, allowing it to bloom earlier than many other species.
Beyond its beauty, Pasque flower is an important early-season resource for solitary bees.
Serviceberry (Amelanchier alnifolia)
Often blooming in late March or early April, serviceberry shrubs burst into clouds of delicate white blossoms.
These flowers provide abundant nectar for:
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native bees
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honeybees
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early butterflies
Later in the season, serviceberry produces small edible berries that feed birds and wildlife, making it a valuable plant for the entire ecosystem.
Sagebrush Buttercup (Ranunculus glaberrimus)
These cheerful yellow flowers often appear in open sagebrush landscapes as soon as snow begins to melt.
Though small, they provide important early pollen for native bees emerging from underground nests.
Their bright color helps attract insects even during cooler, cloudy spring days.
Wild Mustard (Various Brassica species)
Wild mustard often grows along roadsides and disturbed soils, blooming with clusters of small yellow flowers.
While sometimes considered a weed, it can be an early nectar source for bees and other pollinators during the lean early spring weeks.
Early Pollinators of the Season
You might notice a few hardy pollinators making their first appearances in March.
Some of the earliest include:
Mason Bees
Solitary native bees that emerge early and are excellent pollinators of fruit trees.
Bumblebee Queens
Only the queens survive winter, and they begin searching for nectar and nesting sites as soon as temperatures allow.
Hoverflies
Often mistaken for small bees, these beneficial insects help pollinate flowers and their larvae consume garden pests like aphids.
How You Can Help Pollinators in Early Spring
Even small actions can make a difference.
Plant early-blooming natives
Serviceberry, currants, and early wildflowers provide reliable food.
Leave some stems standing
Many native bees overwinter in hollow stems and plant debris.
Avoid early pesticide use
Pollinators are especially vulnerable when they first emerge.
Provide water
A shallow dish with stones gives insects a safe place to drink.
A Quiet Beginning to the Season
Spring doesn’t arrive all at once on the Western Slope. It unfolds slowly, beginning with a few brave flowers pushing up through cold soil and melting snow.
These early blooms remind us that even small plants can play an important role in the landscape. For pollinators, they are the first meal after a long winter and the beginning of another growing season.
So the next time you see a tiny purple or yellow flower opening along a hillside in March, take a moment to appreciate it.
It’s one of the first signs that life on the Western Slope is waking up again.