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Hardiness Zone: 8b
jhirsh from Hutto, TX
A: Jhirsh,
Generally speaking, lobelia prefers nutrient-rich, moist soil and grows (and blooms) best in climates where summer temperatures are cooler. You can start them from seed a week or two before your last frost date. Because your summers are hot, protect yours from afternoon sun by planting it in a sheltered spot where it will get partial shade. You may also want to mulch around young plants or add polymers to the soil to help it retain moisture. As plants grow, pinch them back to encourage bushy growth. If the heat starts to retard blooming, cut plants back by half and keep the soil moist. They will start to bloom again when cooler temps roll around. Lobelia tends to spread over the ground and works well in baskets and containers.
Ellen
About The Author: Ellen Brown is our Green Living and Gardening Expert. Click here to ask Ellen a question! Ellen Brown is an environmental writer and photographer and the owner of Sustainable Media, an environmental media company that specializes in helping businesses and organizations promote eco-friendly products and services. Contact her on the web at http://www.sustainable-media.com
By PrairieLady (Guest Post)
04/03/2006
Lobelia seems easy to grow. It needs sun and plant it in the front of your beds, as it is so small. Usually I plant it as a border in most of my beds. It is pretty hardy and I have had a few even winter over under the mulch... when we have had mild winters in zone 5/6.
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