When should I cut back my lobelia?
How to grow lobelia. All lobelias need a spot in full sun or part shade, and reliably moist soil. The annual varieties don’t need deadheading but can be cut back in mid summer to maintain bushiness and good flowering. Deadhead perennial varieties once they’ve finished flowering and cut foliage back in autumn.
How do you rejuvenate lobelia?
Cut back the entire plant after the initial wave of blossoms begins to fade. Using your pruning shears, cleanly remove the top 1/2 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.
Do lobelia need to be cut back?
Should I Prune My 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.
Does lobelia need to be deadheaded?
How to Deadhead Lobelia. Since it removes old, unsightly flower stalks, deadheading plants not only helps the garden look good, but it also encourages further blooming throughout the season, according to Ohio State University Extension. Deadhead during the summer when the plant is actively growing and blooming.
Can I revive my lobelia?
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 u2014 good air circulation can prevent many fungal problems.
How do you revive lobelia in a 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.
Why does my lobelia keep dying?
There’s no need to deadhead annual lobelias but if your plants are looking tired by midsummer, you could cut them back to maintain bushy growth and encourage repeat flowering. Water perennial lobelias, especially Lobelia cardinalis, regularly u2013 the soil needs to be kept moist at all times.