The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant lobelia in Gardner should be estimated by reviewing the USDA zone info.

Planting Calendar for Lobelia

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

Since lobelia do well in cold you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant lobelia in Gardner 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. If you wait any later than that and your lobelia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your lobelia indoors.

Last Frost Date

In Gardner the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Gardner is not always accurate the actual date of last frost changes from year to year. Since half of the time in Gardner last frost occurs after April 15 be ready to cover your lobelia in the event of a late frost.

USDA Zone Info for Gardner

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Gardner

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