Edible usesThere are no edible uses listed for Lobelia cardinalis.
Material usesThere are no material uses listed for Lobelia cardinalis.
Practical Plants is currently lacking information on propagation instructions of Lobelia cardinalis. Help us fill in the blanks! Edit this page to add your knowledge.
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Problems, pests & diseases
Associations & Interactions
There are no interactions listed for Lobelia cardinalis. Do you know of an interaction that should be listed here? to add it.
Polycultures & Guilds
There are no polycultures listed which include Lobelia cardinalis.
This table shows all the data stored for this plant.
Requires a deep rich soil and plenty of moisture. Grows well in heavy clay soils. Succeeds in standing water though is not then so long lived. Succeeds in full sun or light shade. Requires protection from the wind. Dormant plants are hardy to at least -25°c, though they can be excited into premature growth in mild winter areas and are then more susceptible to frost damage. A very ornamental plant. Hybridizes freely with other members of this genus.
Seed - best sown as soon as it is ripe in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in spring. Basal cuttings in spring. Harvest the shoots when they are about 10cm long with plenty of underground stem. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer. Layering in moist sand, it forms roots at the nodes.
N. America - New Brunswick to Quebec, south to Florida and Texas.
Damp shores, meadows and swamps.
The plant is potentially toxic, but the degree of toxicity is unknown. It contains the alkaloid lobeline which has a similar effect upon the nervous system as nicotine. he sap of the plant has been known to cause skin irritation.
Emetic, expectorant and nervine. The root is analgesic, anthelmintic, antispasmodic and stomachic. A tea made from the roots has been used in the treatment of epilepsy, syphilis, typhoid, stomach aches, cramps, worms etc. A poultice of the roots has been applied to sores that are hard to heal. The leaves are analgesic and febrifuge. A tea made from the leaves is used in the treatment of croup, nosebleeds, colds, fevers, headaches etc. A poultice of the leaves has been applied to the head to relieve the pain of headaches. This species is considered to have similar medicinal activity to L. inflata, but in a milder form. It was seldom if ever used. The plant is used to make a homeopathic remedy. The report does not say which part of the plant is used, nor what it treats.
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