One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when it's a good idea to plant gladiolus is to consult the USDA zone info for Lenoir City.

Planting Calendar for Gladiolus

Frost tolerance for gladiolus:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Gladiolus are barely cold tolerant which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant gladiolus in Lenoir City is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant gladiolus and expect a good harvest is probably August. If you wait any later than that and your gladiolus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your gladiolus indoors.

Last Frost Date

The average date of last frost is April 15 in Lenoir City. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Lenoir City is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Lenoir City you get surprised by a frost after April 15 so make sure that you are ready to cover your gladiolus in the event of one of those late frosts.

USDA Zone Info for Lenoir City

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

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

Plants to Grow in Lenoir City

You may be interested in your other planting guides for Lenoir City.