Do lobelia grow 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. This is due to incorrect germination requirements. However, it is easy to plant from seed in controlled situations.
Is blue lobelia annual or perennial?
Annual Lobelia, Edging Lobelia, Trailing Lobelia, Garden Lobelia, Blue Lobelia, Dwarf Annual Lobelia. Compact and popular, Lobelia erinus (Trailing Lobelia) is a tender perennial, usually grown as an annual, boasting masses of brightly colored flowers adorned with white or yellow throats from spring to the first frosts …
How do you keep lobelia blooming all summer?
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.
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 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.
Can I cut lobelia 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. The three types of pruning that benefit lobelia plants are removing spent flowers, pinching, and cutting back.
Can I put trailing lobelia in the ground?
The trailing variety is also one of the most popular hanging basket plants too. But lobelia shouldn’t be planted then as there is the danger that a frost could kill this tender annual plant off before the season has already started.
How do you make lobelia last longer?
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.
Does lobelia like sun or shade?
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.
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 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.
Does lobelia like to be fertilized?
You can fertilize lobelia with compost, but, since it is a heavy feeder, many gardeners prefer to feed it with a liquid fertilizer every two weeks.