Will lobelia grow back?

Asked By: Jinfu Gonzalo | Last Updated: 24th January, 2020
Category: home and garden landscaping
5/5 (59 Views . 37 Votes)
These two little plants grow only about 6 inches tall. They survive winters in U.S. Department of Agriculture plant hardiness zones 10 and 11, but they are usually grown as spring annuals because they fade in the summer heat.

Click to see full answer

Keeping this in view, do 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.

Also, 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.

Accordingly, 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.

How quickly does lobelia grow?

Lobelia seedlings take up to 10 weeks growing indoors when sown from seed. The seed can be difficult to germinate, and the plants are widely available. Many gardeners purchase seedlings from local garden centers in spring. Grow lobelia in full to part sun after all danger of frost has passed.

37 Related Question Answers Found

Should you cut back lobelia?

Yes. Cutting back lobelia plants improves their appearance and health. It also encourages the plant to produce more flowers over a longer period of time. The three types of pruning that benefit lobelia plants are removing spent flowers, pinching, and cutting back.

Is Lobelia a sun or shade plant?

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.

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.

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.

Why is my lobelia not flowering?

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.

When can I plant lobelia outside?

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.

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 care for a lobelia hanging basket?

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.

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 keep impatiens over winter?

A: There are three ways to keep your impatiens. You can simply dig a clump of the plants and keep them in an indoor pot for the winter. You'll need to grow them in plenty of light to keep them healthy. Another option is to take 6 inch long stem cuttings and root them in water.

Are marguerites Hardy?

Although it is listed as a perennial, the marguerite daisy may be planted as an annual in certain climates and it really only thrives for two or three seasons. To increase the bushiness of this shrubby daisy and promote constant blooming, prune back or “deadhead” any dying flowers.

What do you do with Salvias in the winter?

During the winter, if you discover heaving that has exposed a plant's roots, gently firm the Salvia back into the ground and spread a few inches of compost around its base for stabilization. Then put mulch back into place.

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.

What do you do with coleus in the winter?

Overwinter Full Plants
Pruning the coleus during the winter can help preserve an attractive shape and reduce spindly growth. Feed coleus plants and rooted cuttings with half-strength time-release fertilizer during the winter. Keep the plants indoors until night temperatures stay above 50 degrees Fahrenheit.

What can I plant with lobelia?

Lobelia can be planted with any other type of flower that enjoys moist, rich soil. Astilbe and Iris are two such options, both liking the same conditions. Fern growing is another good choice. In shady areas, ferns and hostas grow well with lobelia.

Can you keep lobelia indoors?

Growing Lobelia Plant
Lobelia seeds can be sown directly indoors. These plants typically require an area with full sun but will tolerate partial shade. They also prefer moist, rich soil. Start indoors about 10 to 12 weeks prior to the last frost in your region.

Do slugs like lobelia?

In the United States, another kind of lobelia is a common wild plant, Lobelia cardinalis. You can try to grow it in Britain, but it is a choice horticultural plant and a delicacy for slugs who like to gorge on the bottoms of its stems.