Lobelia Plant Light Requirements. Water regularly to keep the soil evenly moist especially during hot dry weather. Finishing Times weeks 4-5.
Lobelias are slow to establish and most gardeners grow them from nursery transplants. In colder climates provide a. In the nursery in marshy conditions this plant is cultivated to form dark green leaves which are purple below.
Grow in part shade where summer heat is intense.
In the nursery in marshy conditions this plant is cultivated to form dark green leaves which are purple below. This Lobelia is perennial in hardiness zones 10-11 but treated as an annual in cooler areas. Growing On Temperature 65 - 72. Seedlings emerge in about 20 days.