Once established, the lobelia plant requires little maintenance. ... Lobelia should delight your garden with beautiful blooms about mid-summer, continuing on up to the first frost. Although not necessary, you can deadhead lobelia plants to maintain a neat appearance.

How do you deadhead lobelia?

If deadheading the flowers on the individual stems, head them back toward the base, so they aren't sticking up above the foliage. Snip at an angle, so water will run off the cut if it rains. Alternatively, shear back the entire plant by half once the flowers have finished blooming and begun to dry out in midsummer.

Will lobelia rebloom if cut back?

Cutting back a lobelia plant will increase the blooming season and increase the number of new blossoms. Pinch back the tips of the young lobelia plants when you purchase them from the nursery. Without this initial pinching, the stems can grow long and make the plant look leggy and unkempt.

How do you get lobelia to rebloom?

To extend the blooming period of lobelia in summer or encourage a second bloom, you can trim your plants at any time of the year. This encourages another flush of blooms, maintains their overall look, and some gardeners even prune the plant at half an inch when the blooming period ends.

What to do with lobelia after flowering?

Cut back the entire plant after the initial wave of blossoms begins to fade. Using your pruning shears, cleanly remove the top half of the entire plant. This heavy pruning early in the summer will encourage the start of another flowering session. Water lobelia plants deeply after heavy pruning to reduce plant shock.

Lobelia Earinus - garden lobelia/growing/seeding/planting/blue flowers

30 related questions found

How do you prune lobelia flowers?

Give the plant a light trim with a pair of scissors when it needs a bit of tidying. This includes trimming to remove spent blossoms. For spiky types, wait until the entire spike has faded before clipping out the stems. Cut back the plant by half or more at the end of its bloom period.

How long do lobelia plants last?

High heat can cause lobelia to suffer, but the plants stay in bloom for many weeks in areas with cool nights.

Why are my lobelia 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.

Does lobelia bloom all summer long?

Lobelia is an easy-to-grow, carefree plant that enjoys cool weather. This summertime bloomer will continue to produce flowers on up through the first frost. Growing lobelia is an asset to the garden.

Does lobelia come back every year?

Lobelia in winter will die back no matter which variety you have. However, the annual Lobelia may not come back at all even if it formed seed. ... The annual forms tend to get weedy when temperatures get hot in summer but can be rejuvenated by cutting the plants back by half.

Can you split lobelia?

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 deadhead a flower?

Deadheading flowers is very simple. As plants fade out of bloom, pinch or cut off the flower stem below the spent flower and just above the first set of full, healthy leaves. Repeat with all the dead flowers on the plant. Sometimes it may be easier to deadhead plants by shearing them back entirely.

What are the health benefits of lobelia?

Lobelia is often touted for its use in such respiratory conditions as asthma, bronchitis, and pneumonia. This is because the herb is said to act as an expectorant, helping to thin mucus (phlegm), cause a more productive cough, and help you to breathe better.

How do you take care of Lobelia Starship Scarlet?

Plant in deep, fertile, reliably moist soil in sun or partial shade. Feed every 2 weeks with a balanced liquid fertilizer until midsummer and a low nitrogen fertilizer for the remainder of the growing season.

What grows well with lobelia?

Fuchsias, hollyhocks and petunias are just three of the plants hummingbirds like. They are attracted to lobelia as well, so they will get along well next to one another. Other good companions include sweet alyssum, impatiens, and wax begonias.

How often should lobelia be watered?

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.

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.

How do you care for a lobelia hanging basket?

Water the hanging lobelia basket often to keep the soil moist but not waterlogged. Apply the water to the top of the basket until it runs freely out the bottom and sides of the container. During the height of summer, the hanging basket may require daily watering to keep the soil moist.

Can lobelia grow in pots?

Growing Lobelia in Containers

These petite pink, white, or blue flowers create a dramatic impact in planters. The profusion of blooms makes growing lobelia in a pot an excellent choice. ... These plants require consistent moisture, but they do not grow well when overwatered or when containers have become waterlogged.

Is lobelia a summer plant?

Lobelia species are available in different varieties. These plants are easy to grow and grow well in cool weather conditions. The plant blooms during the summer time and it is excellent for planting in rows in front of flower beds and garden borders.

Do hummingbirds like lobelia?

Also called Lobelia, this flower is an ideal choice for attracting the hummingbirds. It has long stalks of flowers that can grow to a height of 48 inches. Cardinal Lobelia flower thrives in moist, good well-drained soil.

Should you deadhead cardinal flowers?

Deadhead to improve appearance and encourage rebloom. Because plants are short-lived some reseeding is desirable. Pinch back if you want bushier, more compact plants. Keep soil moist during summer dry spells.

Do you deadhead cardinal flowers?

Deadhead for a neat appearance, to encourage rebloom or prevent any undesired reseeding. Pinch back for bushier and more compact plants. Cut back after flowering. Divide plants every 2-3 years.