Tall Bellfower (Campanulastrum americana)

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Tall Bellfower is also known as American Bellflower. It grows from 3-5 feet tall in light shade to part sun. It prefers moist, rich soil, but can tolerate some dry. It seems to do well where there is some disturbance, probably because in order to reproduce, it depends on seeds.

This plant is a biennial so typically, it is a low growing collection of basal leaves and the second year it shoots upward. The basal leaves almost loook Ike a violet and have tricked me a couple of times! It is usually unbranches but can have some branches out to each sides of the plant. Flowers grow in upper leaf axils and at the top of the plant. The leaves and stem have hairs on them.

The flowers are light to darker blue with five petals and a long style (plant part that attaches the ovary to the stigma). The stigma (plant part that accepts the pollen grains to fertilize the ovaries) is split into three branches. The five stamens with white anthers emerge just a bit later than the style which helps keep the plant from self pollinating. See photos to look for these plant parts.

Mammals do eat this plant! I have been disapppointed some years when I observed large basal rosettes and then went back to check the flowers and found they had all been chomped down.

Tall Bellflower/American Bellflower (Campanulastrum americanum)

Michigan Flora reference page for state distribution: Tall Bellflower

Height: 1-4 feet

Soil: loam, clay-loam, medium moisture

Sun: partial sun to shade

Plant spacing: 2 feet

Flower: light to dark blue

Life cycle: biennial

Family: Campanulaceae

Seed source: Michigan

Sizes:

Tall Bellfower is also known as American Bellflower. It grows from 3-5 feet tall in light shade to part sun. It prefers moist, rich soil, but can tolerate some dry. It seems to do well where there is some disturbance, probably because in order to reproduce, it depends on seeds.

This plant is a biennial so typically, it is a low growing collection of basal leaves and the second year it shoots upward. The basal leaves almost loook Ike a violet and have tricked me a couple of times! It is usually unbranches but can have some branches out to each sides of the plant. Flowers grow in upper leaf axils and at the top of the plant. The leaves and stem have hairs on them.

The flowers are light to darker blue with five petals and a long style (plant part that attaches the ovary to the stigma). The stigma (plant part that accepts the pollen grains to fertilize the ovaries) is split into three branches. The five stamens with white anthers emerge just a bit later than the style which helps keep the plant from self pollinating. See photos to look for these plant parts.

Mammals do eat this plant! I have been disapppointed some years when I observed large basal rosettes and then went back to check the flowers and found they had all been chomped down.

Tall Bellflower/American Bellflower (Campanulastrum americanum)

Michigan Flora reference page for state distribution: Tall Bellflower

Height: 1-4 feet

Soil: loam, clay-loam, medium moisture

Sun: partial sun to shade

Plant spacing: 2 feet

Flower: light to dark blue

Life cycle: biennial

Family: Campanulaceae

Seed source: Michigan