Rubus parviflorus – Thimbleberry, Redcaps, White-flowering Raspberry

This beautiful native shrub, adorned with prominent white blossoms in spring attracts many pollinators. Leaves are large maple- or star-shaped, forming a dense cover.

Parviflorus means ‘small-flowered’, but the flowers of Rubus parviflorus are the largest in the Rubus family.

Fruits are similar to raspberries, but have a hollow core, which allows a berry to fit on the tip of a finger, similar to a thimble, hence the common name ‘thimbleberry’.

Brambles are a major food source in summer for many bird species and also some mammals.

Insect pollinated. Self-fertile

Flowers in June, seeds ripen from July to August

Prefers moist, well-drained soil;  adaptable to various soil conditions including loamy, sandy, and clay.

Sun to semi-shade (light woodland) or no shade.

Moderate growth rate

Not deer-resistant

Juglone-tolerant, thimbleberry can be grown under black walnut and other juglone-producing species