How do you take care of trailing lobelia?

Asked By: Nijole Senano | Last Updated: 19th May, 2020
Category: home and garden landscaping
4.8/5 (49 Views . 37 Votes)
The lobelia produces prolific flowers.
  1. Place any hanging basket that contains trailing lobelia in full sunlight for the best growth.
  2. Water the hanging lobelia basket often to keep the soil moist but not waterlogged.
  3. Fertilize the hanging lobelia every other week using a general-purpose water-soluble fertilizer.

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In respect to this, can you cut back trailing lobelia?

Use clean shears and prune lobelia when the foliage is dry to prevent the spread of disease-causing fungal spores. Trailing lobelia varieties, such as those in hanging baskets, also benefit from cutting back. Cut these back far enough to remove the spent flowers but don't remove the hanging stems completely.

Also Know, why is my lobelia turning brown? Lobelia with brown leaves but healthy stems may have been exposed to too much sun or simply not watered enough. Move these plants to a part shade location and increase watering.

Likewise, people ask, when can I plant out trailing lobelia?

Bedding lobelia Bedding plants should be planted out at the end of May or early June, after the fear of any frosts. If you have a greenhouse or other protected growing area, you can plant up containers and hanging baskets earlier for the plants to grow on and so flower earlier, before putting outside in early summer.

Why does my lobelia keep dying?

Water Problems During warm weather, leaves and flowers can dry out. If the dehydration is too severe, the plant may die. Water consistently so the soil stays moist and never draws away from the side of the container.

22 Related Question Answers Found

How do you keep lobelia blooming all summer?

Pruning Edging and Trailing Lobelia
Edging and trailing lobelia follow a schedule similar to pansies and linaria, and most growers remove them in early summer when they no longer look their best. If you decide to leave them in the garden, cut them back by one-half to two-thirds to encourage fall blooms.

Does lobelia grow back every year?

Lobelia is a perennial plant that is often considered an annual because growing conditions must be perfect for it to survive to rebloom another year. More than 360 species of lobelia are grown as annuals, perennials or shrubs.

How do you keep lobelia blooming?

The lobelia produces prolific flowers.
  1. Place any hanging basket that contains trailing lobelia in full sunlight for the best growth.
  2. Water the hanging lobelia basket often to keep the soil moist but not waterlogged.
  3. Fertilize the hanging lobelia every other week using a general-purpose water-soluble fertilizer.

What do you do with lobelia in the winter?

Lobelia cardinalis
  1. Trim back the dead and dying stems and leaves.
  2. Water thoroughly, then rake a thick layer of loose mulch over the rosette of leaves when frost is in the forecast.
  3. Move potted cardinal flowers into a garage or other sheltered location for the winter.

Does lobelia like sun or shade?


Annual lobelia will grow nearly anywhere. Lobelia seeds can be sown directly in the garden or indoors for later transplanting. These plants typically require an area with full sun but will tolerate partial shade. They also prefer moist, rich soil.

How do you keep violas blooming?

Many people grow them as annuals, replacing them every year. You can grow them for spring bloom or fall bloom or both, if you can keep them alive during the summer. Should violas be deadheaded? Yes removing the spent blooms will keep the plant from setting seeds and will continue to bloom until the summer heat.

How do you grow trailing lobelia?

Grow lobelia in well-drained, compost amended, soil or containers filled with potting soil. If the bed or container is in a warm area, grow in part sun since the midsummer heat can cause lobelia to stop flowering and dieback. Plant bushy varieties 6 inches apart and trailing varieties up to 12 inches apart.

How many plants do I need for a 12 inch hanging basket?

For hanging baskets the general rule is to use one plant per inch of basket diameter – so 12 plants per 12 inch basket. You'll only need 5 plants per 12 inch hanging basket for bigger plants like Geraniums (Pelargoniums), Surfinia Petunias, culinary herbs and Fuchsias.

How many lobelia plants are in a hanging basket?

A general rule of thumb when planting a hanging basket is to use one plant per inch of basket diameter - so 12 plants per 30cm (12") hanging basket.

Plant spacing.
Plant Lobelia
Eezee Hanging Basket 12
22cm (9") basket 8
30cm (12") basket 12
30cm (12") patio container 10

Is Lobelia a hardy?


Lobelia is a genus of about 370 species of annuals, perennials (even some aquatics) and shrubs. They are all basically perennials, but some are treated as annuals. Since they originated from the tropics, many are not hardy in our area and these we tend to treat as annuals.

How often do you water lobelia?

Blue lobelia grows best in moist soil, so regular watering results in the healthiest plants and attractive flowers. The plant needs watering about twice a week, especially during dry periods, so the top 6 inches of soil remain moist at all times.

Can lobelia be divided?

Lobelia can be divided in the fall, however, that will disrupt the blooming cycle -- lobelia is a fall-blooming plant. The best time to divide lobelia is in the spring, just after the new growth begins to emerge.

How do you propagate lobelia?

How to Propagate Lobelia From Cuttings
  1. Cut Lobelia in the late spring.
  2. Cut only pieces of new growth that have not yet flowered.
  3. Fill the clay pot with potting soil.
  4. Push cuttings into the wet soil.
  5. Place your pot of cuttings in a shady area protected from wind and animal pests.
  6. Mist your cuttings twice a day with water.

Will lobelia survive winter?

Unlike its perennial cousins, annual lobelia dies back completely in the winter, though some types may grow from seed in the spring. Many annual lobelias are cold-tolerant and will survive longer into late fall or early winter than other types of annual flowers, but frost will kill them.

What is Lobelia used for?


Lobelia is a plant. The above ground parts are used to make medicine. Lobelia is used for breathing problems including asthma, bronchitis, whooping cough, and shortness of breath (apnea) in newborn infants. Some people take lobelia as a sedative to help them relax.