How do you care for perennial lobelia?

Asked By: Serafin Paquico | Last Updated: 5th February, 2020
Category: home and garden landscaping
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Perennial lobelia
Water Lobelia cardinalis plants whenever necessary to keep the soil or compost moist or damp. Feed with a general granular plant food each spring. Cut back old flower stems after flowering and the old foliage in autumn. Lobelia tupa may need some winter protection.

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Just so, how do you revive lobelia?

Pinch back newly emerging stems when they are about six inches long. Pinch newly planted lobelia when they recover from transplanting. Give the plant a light trim any time of year. Do the major pruning or cutting back after the plants stop blooming.

Additionally, why is my lobelia plant 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.

Herein, does lobelia come 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.

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.

30 Related Question Answers Found

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.

Why do my hanging baskets keep dying?

Too much water leads to root rot, while too little will leave the plant dehydrated. In both these cases, the plant will wilt and die. Plants in baskets need to be watered more frequently than gardens.

Why are my petunia hanging baskets dying?

Water a Wave petunia only when the soil feels dry to the touch. You may be over- or underwatering your plant, causing the leaves to die back. Container and hanging basket plants dry out more quickly than garden plants, but how quickly varies depending on light, wind and air temperature.

Can I 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.

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.

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.

Is Lobelia a hardy?

For details see Perennial Lobelia. Foliage: Tender forms have simple, green, alternate leaves. Perennial forms have longer leaves in shades of green or purple. Type: Half-hardy perennial, usually grown in the UK as a half-hardy annual.

Does lobelia flower all summer?

The foliage and flowers are delicate, but lobelia flowers in abundance, blooming all summer right until frost. In spring and fall lobelias grow well in full sun. However, in summer the sun may be too strong for this plant and some shade will help keep it in bloom.

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.

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.

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.

Are Supertunias annuals or perennials?

Often referred to and grown as annuals, petunias (Petunia spp.) are technically warm climate perennials. They grow year round in U.S. Department of Agriculture plant hardiness zones 10 through 11.

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.

Should alyssum be cut back?

Cut neglected alyssum back to a height of 2 to 4 inches to revive the plant in midsummer. Hot dry periods or a few days without watering can leave alyssum brown and unattractive. With a good pruning and attention to regular watering it often revives, producing a flush of new blooms.

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

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.

How do you deadhead pansies?

The best way to cut or deadhead a pansy flower is to use a pair of small clippers. Cut just above a leaf set on the stalk to minimize damage. The flowers can also be pinched off once they begin to fade. Simply take your middle finger and thumb at the stem just above the leaf and pluck the limp bloom from the bud base.