If you decide to leave them in the garden, cut them back by one-half to two-thirds to encourage fall blooms. Edging and trailing lobelias are classified as self-cleaning, which means you... It's essential to cutback and deadhead lobelia throughout the year to keep it looking good and blooming vigorously. Yes. Cuttingbacklobelia plants improves their appearance and health. It also encourages the plant to produce more flowers over a longer period of time. What Are Lobelias?Starting Lobelias from CuttingsWhen to CutBackLobelias Pinch newly planted lobelia when they recover from transplanting. Give the plant a light trim any time of year. Do the major pruning or cuttingback after the plants stop blooming. CuttingBackLobelia For Winter. Annual lobelia can be cutback to the ground or removed from containers or the planting site after the first frost. Cuttingback garden lobelia by one-third after the first main bloom will encourage the plant to produce a second bloom in autumn. The first main flowering is usually over around the end of July. Lobelia plants come in a variety of colors, including shades of blue, white, pink, and lavender, making them a versatile choice for any garden. In conclusion, cuttingback your lobelia plants in... Replenish mulch as it deteriorates. -Cutbacklobelia severely after flowering to promote a second flush of blooms in fall. With ideal care, lobelia will thrive until the first hard frost. Perennial species of lobelia can be cutback to just above ground level after blooming has ceased.Cut your lobeliaback by a half and keep a regular watering schedule. Feel free to cutback the lobelia in your hanging basket if you see that it’s getting straggly or overcoming other plants in the basket. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How... Cutback wayward perennials in August. Feed and water to encourage growth and they may flower again in autumn. Paul Retweeted.Cutback flowered stems and a third of older wood. lobelia riviera marine blue *5-17-15 planted in pot. (3 inch plant).How To CutBackLobelia - Garden Guides. Cuttingbacklobelia encourages a second wave of colorful blossoms.