Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Inverness you will be able to estimate when to plant tagetes.

Planting Calendar for Tagetes

Frost tolerance for tagetes:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant tagetes until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant tagetes in Inverness 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 tagetes and expect a good harvest is probably September. Any later than that and your tagetes may not have a chance to fully mature. If you are starting your tagetes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Inverness. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Inverness is an average the actual date of last frost changes from year to year. Half of the time in Inverness you get a frost after February 15 so just be sure to be ready to protect your tagetes in the event of one of those late frosts.

USDA Zone Info for Inverness

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Inverness

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