The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's a good idea to plant schizanthus by referring to the USDA zone info for Inverness.

Planting Calendar for Schizanthus

Frost tolerance for schizanthus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant schizanthus until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant schizanthus 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 schizanthus and expect a good harvest is probably September. If you wait any later than that and your schizanthus may not have a chance to fully mature. You can get started a little bit earlier by starting your schizanthus indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Inverness may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Inverness last frost occurs after February 15 be ready to protect your schizanthus if you have a late frost.

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.