Lobelia siphilitica

continental : Place these plants in a sunny place, where they can be exposed for at least few hours a day to direct sunlight.
The Lobelia siphilitica needs to be grown in a warm place, also in winter; since it does not tolerate frost, replace it in the house or in the hothouse with the first cold weather of the season.

alpine : We remind to place these plants always in a very bright location, exposed to direct sunlight.
It is advisable to grow them outside only in late spring and in summer; during the remaining months place them in the greenhouse or in a sheltered place, away from the frost.

mediterranean : Try to place the Lobelia siphilitica in a location well exposed to sunlight all year long.
The Lobelia siphilitica do not tolerate frost, therefore place them in a sheltered location away from wind; alternatively we can cover their aerial part with frost cloth during winter.

Fertilize Lobelia siphilitica : Fertilize regularly every 10-15 days, using a fertilizer suitable for flowering plants or green plants, to be dissolved in normal waterings. To obtain a good vegetative growth we remind to mix a slow-release granular fertilizer with the soil in which our annual plants will be planted.

continental : These plants shall be watered regularly from March to October, avoiding excessive waterings and remember to allow the soil to dry out well between two waterings. During cold months we can avoid watering.

alpine : Water the Lobelia siphilitica regularly, specially in summer, always allowing the soil to dry out completely between two waterings.

mediterranean : It is advisable to water these plants regularly, using a good amount of water and watering deeply the soil; allow the soil to dry out between two waterings.

Pests Lobelia siphilitica : Treatments are applied only in case the parasites are effectively on the plant and avoiding broad-spectrum products; we remind to avoid to apply treatments on plants in bloom, to avoid to kill also the useful insects, together with the parasites.

Lobelia erinus - Lobelia