Is Lobelia Siphilitica invasive?

non-invasive. native to North America – Wet areas in eastern U.S.

Is Lobelia Siphilitica a perennial?

Lobelia siphilitica, commonly called great lobelia or blue cardinal flower, is a Missouri native perennial which typically grows in moist to wet locations along streams, sloughs, springs, swamps, meadows and in low wooded areas. Late summer bloom period.

Do lobelia come back every year?

Lobelia cardinalis is a short-lived perennial, so divide it every 2 years in spring to maintain its vigour….Perennial lobelia.

Flowering season(s)	Summer, Autumn
Foliage season(s)	Spring, Summer, Autumn, Winter
Sunlight	Partial shade, Full sun

Is lobelia invasive?

The nectar and pollen of the flowers attract primarily hummingbirds, bumblebees and other long-tongued bees. Extremely hardy, low care, and fairly pest and disease-free, Great Blue Lobelia tends to be short-lived, although it may self-seed in ideal growing conditions (without becoming invasive).

Do hummingbirds like blue lobelia?

Lobelia flowers attract butterflies and hummingbirds to any garden. The tubular form of the bloom easily attracts butterflies and hummingbirds to this plant, making Lobelia worthwhile to grow specifically in a wildlife garden or as added interest in a planting bed.

What do you do with lobelia in the winter?

How to Overwinter Lobelia Annuals. In warmer zones, annual Lobelia can remain outdoors and will continue to bloom if cut back. Eventually, the plant will die out but should reseed. Northern gardeners will have to plant these Lobelias in containers and bring them indoors before any danger of frost.

Is blue lobelia toxic?

In terms of its toxicity level, lobelia is rated a major toxin. Lobelia (Lobelia cardinalis), which is of the family Campanulaceae and is also known as Indian pink and cardinal flower, is one of many plants that are poisonous to dogs when ingested. Vet bills can sneak up on you.

Is lobelia a hardy?

The Lobelia x speciosa varieties are perennials. These are hardy to 5 to 14 degrees Fahrenheit (-15 to -10 C.). Either variety needs well-draining soil in full sun for best blooming. The annual forms tend to get weedy when temperatures get hot in summer but can be rejuvenated by cutting the plants back by half.

How do you winterize lobelia?

Overwintering Lobelia Use sterilized pruning shears to prune the dead stalks and stems to keep the plants tidy and rake away any debris from around the base of the plants to eliminate hiding places for pests. Spread a 2- to 3-inch-thick layer of mulch over the root zone.

How big does a Lobelia siphilitica flower get?

The flowers arise from the upper leaf axils forming a dense terminal raceme atop stiff, unbranched, leafy stalks typically rising 2-3′ tall. Its flowers are larger than other lobelias and have stripes on the tube portion. Blooms from July to October. Great lobelia has finely-toothed, lance-shaped, light green leaves (to 5″ long).

Where to plant Lobelia siphilitica in Missouri?

May self-seed in optimum growing conditions, forming attractive colonies. Lobelia siphilitica, commonly called great lobelia or blue cardinal flower, is a Missouri native perennial which typically grows in moist to wet locations along streams, sloughs, springs, swamps, meadows and in low wooded areas.

How tall does a great blue lobelia grow?

Description Great Blue Lobelia is a herbaceous perennial that may grow 3 to 4 feet tall. The leaves are alternate with a toothed margin. Blue flowers first mature in mid-summer and continue into early fall.

What are the problems with the Lobelia plant?

Insects, Diseases, or Other Plant Problems: Snails and slugs may damage the foliage. More information on Lobelia. Its flowers are attractive to hummingbirds and butterflies. This plant has low resistance to damage from deer.