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Plant of the Week
Lobelia
| Scientific name | Lobelia erinus |
| Common name | Lobelia |
| Type | Annuals |
| Variety | Annual |
| USDA Zone hardiness | 1 - 8b |
| Exposure | Full sun |
| Height | Under 1' |
| Spread | Under 1' |
A low growing perennial generally grown as an annual. Grown in full sun to shade, does better in the cooler weather and often goes out of bloom when it gets hot. Look for heat tolerant cultivars. Cut back after first bloom, fertilize and water to maintain flowering in the summer.
Recent Question from Gardeners
Question
Where did my Hibiscus' leaves go?
I have a tropical hibiscus that I bought a little over a year ago. When I bought it, it was very full of leaves, and soon began to bloom, but over the past year it has lost most (almost all) of it's leaves. It's looking very thin. It still blooms large petals, but where have the leaves gone? It did have aphids at one time, but I began to feed it with a plant food that helped eliminate the aphids. I still try to feed it every 6 weeks or so and I water it when the soil looks dry. What can I do to get the leaves back to their fullness? I live in San Diego, so I don't think it ever gets cold enough for it to freeze, maybe in the 50's at the lowest.
Answer
I have a few questions for you (You reply back below by posting a comment). How much sunlight on daily basis would you say the hibiscus receives? Is the sunlight direct or indirect? Is the hibiscus in the ground or in a pot? How is the drainage in the pot or location the hibiscus is planted in the garden? Hibiscus do best in full-sun with well-drained soil. If your plant is in a pot make sure it is draining properly, roots sitting in water will cause the defoliation and will eventually lead to death of you hibiscus. Cold should not be an issue in San Diego.
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