when to plant out lobelia

Although annual types are widely available at garden centers in the spring, you can also start your own plants from seed, sown indoors 8 to 10 weeks before the last spring frost date. Don't transplant seedlings outdoors until a few weeks after the last frost date.

1. When should I plant lobelia?
2. How cold can lobelia tolerate?
3. Is Lobelia frost hardy?
4. Does lobelia come back every year?
5. Why do my lobelia keep dying?
6. Is Lobelia a sun or shade?
7. What is the lowest temperature petunias can tolerate?
8. What is the lowest temperature impatiens can tolerate?
9. Does lobelia need sun?
10. Should lobelia be cut back?
11. Is blue lobelia a perennial?
12. How long does lobelia take to grow from seed?
13. Does lobelia need a lot of water?
14. How do you revive a lobelia plant?
15. How many lobelia plants are in a hanging basket?
16. What animal eats lobelia?
17. How often should you water lobelia?
18. How often do you water lobelia?
19. Is Lobelia toxic to dogs?
20. Can you grow lobelia from cuttings?

When should I plant lobelia?

Sow lobelia seeds from late winter until mid-spring in trays or pots of a good seed sowing compost. Place in a propagator at a temperature of 18-24C (65-75F) or seal it inside a polythene bag and keep somewhere warm.

How cold can lobelia tolerate?

The Lobelia x speciosa varieties are perennials. These are hardy to 5 to 14 degrees Fahrenheit (-15 to -10 C.). Either variety needs well-draining soil in full sun for best blooming. The annual forms tend to get weedy when temperatures get hot in summer but can be rejuvenated by cutting the plants back by half.

Is Lobelia frost hardy?

Hardiness: H2 - Half-hardy, protect from frost.

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.

Why do my lobelia keep dying?

Too Little Water

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

Is Lobelia a sun or shade?

Annual lobelia is a cool-season plant that can tolerate most light conditions, including shade. Light: Shade, part sun, or full sun. Water: Plant in well-drained, moist soil. Size: Up to 3 feet tall.

What is the lowest temperature petunias can tolerate?

However, petunias usually tolerate temperatures as low as 39 F. (4 C.) with no problem, but they are definitely not plants that will survive the winter in most climates. Petunias are damaged extensively at 32 F.

What is the lowest temperature impatiens can tolerate?

The succulent stems and thin leaves of impatiens do not endure temperatures of 32 degrees Fahrenheit or below. Even with temperatures below 36 degrees, low elevations may collect frost and cause partial defoliation of impatiens.

Does lobelia need sun?

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.

Should lobelia be cut back?

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.

Is blue lobelia a perennial?

Lobelia siphilitica, commonly called great lobelia or blue cardinal flower, is a Missouri native perennial which typically grows in moist to wet locations along streams, sloughs, springs, swamps, meadows and in low wooded areas.

How long does lobelia take to grow from seed?

The germination can take 14-20 days. Sow the seeds from February onwards, generally about 7 weeks before you want to transplant the seedlings. Placing the seeds into a polythene bag can aid germination by keeping these flower seeds warm and moist.

Does lobelia need a lot of water?

Watering Lobelia

Annual lobelia requires frequent watering during the growing season because the short roots remain near the surface. Water slowly, using a garden hose or drip system, to saturate the soil to a depth of 6 to 8 inches.

How do you revive a lobelia plant?

Pick off a few diseased leaves or treat widespread rust with neem oil sprays; if you act quickly you should be able to reverse the disease's progression. In the future, allow your lobelia more room to breathe — good air circulation can prevent many fungal problems.

How many lobelia plants are in a hanging basket?

In this case it is best to only use 5 plants per 30cm (12") hanging basket.
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Plant spacing.

What animal eats lobelia?

Deer and rabbit also like lobelia. A moth isn't going to eat your flowers, a caterpillar is going to eat some foliage.

How often should you water lobelia?

Careful watering is essential in getting lobelia perennials off to a good start. Water thoroughly at least once a week to help new roots grow down deeply. Soil should be damp at about 1 inch below the soil surface.

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.

Is Lobelia toxic to dogs?

Lobelia (Lobelia cardinalis), which is of the family Campanulaceae and is also known as Indian pink and cardinal flower, is one of many plants that are poisonous to dogs when ingested.

Can you grow lobelia from cuttings?

All flower from midsummer on to early autumn and they thrive in moister soils in full sun. Damp conditions over winter will cause clumps to rot. L. cardinalis propagates easily from softwood cuttings in summer.