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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
RUDBECKIA
I HAVE GROWN RUDBECKIA FROM SEED FOR THE FIRST TIME AND THE PLANT HAS FLOURISHED AMAZINGLY AND BECAUSE OF ITS POSITION IN THE GARDEN HAS GROWN OUT OF CONTROL. i HAVE BEEN ASSURED THIS IS A PERENIAL WHEN THE FLOWERS HAVE EVENTUALLY FINISHED DO I CUT THEM DOWN JUS LEAVING THE ROOT IN THE GROUND FOR THEM TO COME UP NEXT YEAR
Answer
Without knowing your climate I would recommend to allow the Rudbeckia to die to the ground then remove the dead plant debris to the ground. You could also allow the dead parts of the plants to stay where they are until spring then remove it before the new growth of the Rudbeckia starts. Happy Gardening! Plant Life Online
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