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Lobelia
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Lobelia siphilitica · Campanulaceae

Lobelia

✅ Pet-friendlyPerennial life cycle, returning to sprout annually.30 to 61 cm
Partial shadeMediumMediumResistant to temperatures down to -5 degrees Celsius.

Description & origin

Lobelia is a perennial plant known for its vibrant blue flowers. It is an excellent choice for gardens and pots, providing color and beauty to the space.

Size

Can reach up to 60 cm in height with an upright and branched habit.

Foliage

Green, lanceolate leaves that complement the blue flowers.

Flowering

Blooms during summer with an abundance of flowers that attract pollinators.

Detailed care

Light

Prefers indirect light or partial shade, avoiding direct exposure to intense sunlight.

Soil

Well-drained soil rich in organic matter, ideal for healthy growth.

Watering

Moderate watering, keeping the soil slightly moist but not waterlogged.

Temperature

Prefers mild temperatures between 15 and 25 degrees Celsius.

Fertilising

Fertilize every 4-6 weeks during the growing season with a balanced fertilizer.

Repotting

Transplant every 2-3 years when the roots fill the pot.

Pruning

Prune after flowering to promote healthy growth and control the shape of the plant.

Propagation

Easily propagated by seeds or division of clumps in spring.

Common problems

Leaf wilting

Can occur due to overwatering or poorly drained soil.

Pests

Susceptible to aphids and mites, which can affect the plant's health.

Fungal diseases

Can be affected by fungi if the soil is constantly wet.

Uses & curiosities

In the garden

  • Ideal for borders and flower beds
  • Attracts pollinators like bees and butterflies
  • Can be grown in decorative pots

Other uses

Great for creating a colorful and vibrant garden environment.

Did you know…

Lobelia flowers attract pollinators, such as bees and butterflies, making it a valuable addition to the garden.