Oregon Saxifrage | Micranthes (Saxifraga) oregana - Benton Soil And Water Conservation District

Oregon Saxifrage | Micranthes (Saxifraga) oregana

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This resilient perennial has basal rosettes with small white flowers dotting the 11-47 inch tall stalks. It’s an important early season nectar source for many native pollinators.

For more information, view the NRCS Plant Materials Center’s Plant Guide for Oregon Saxifrage.

Plant Details

Habitats	Riparian Forests, Bottomland Forests, Shrub Swamp, Shallow Marsh, Wet Prairie
Habitat Notes	These plants prefer wet - even waterlogged - soils in winter and spring. Because they are dormant in summer, they can withstand dry summer soils.
Phenology	Perennial; flowering March-May
Mature Height	Up to 4 feet
Shade Preference	Full sun, part shade
Soil Tolerance	Moist to wet soils
Special Uses	Attracts pollinators

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A lush green riparian forest with tall red alder trees and a rocky stream running through it.

Riparian Forests

Riparian areas are defined by NRCS as ecosystems that occur along waterways and water bodies. They serve as the transition between aquatic and terrestrial zones.

Bottomland Forests

Bottomland forests are generally used to describe forests which are comprised of both hardwood and softwood tree species that occur on low-elevation, alluvial floodplains or lower terraces of rivers…

Shrub Swamp

Shrub swamps are typically located in depressions, around lakes or ponds or on river terraces. They tend to flood seasonally and are dominated by shrubs or trees that are rooted in hydric soils. These…

A marshy landscape with tall grasses, a few scattered tree stumps, and a dense forest in the background.

Shallow Marsh

Marshes are seasonally or continually flooded and occur in depressions, around lakes or ponds and along slow-flowing streams. Shallow marshes support dominant herbaceous vegetation which is rooted in…