When to Plant Lobelia in Jeffersonville, IN

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Jeffersonville can be reviewed to estimate when you can plant lobelia.


Planting Calendar for Lobelia

Frost tolerance for lobelia: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Lobelia do well in cold which tells us that you can get them planted much earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lobelia
Possibly ok, but a risky time to plant lobelia
Probably not a good time to plant lobelia

The earliest that you can plant lobelia in Jeffersonville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant lobelia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lobelia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lobelia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Jeffersonville. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Jeffersonville may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Jeffersonville last frost occurs after April 15 be ready to cover your lobelia if you have a late frost.

USDA Zone Info for Jeffersonville

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Jeffersonville

You may be interested in your other planting guides for Jeffersonville.