One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

By reviewing the USDA zone info for Owasso you should be able to estimate when you can plant snow-in summer.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant snow-in summer a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant snow-in summer in Owasso 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 snow-in summer and expect a good harvest is probably September. You probably don't want to wait any later than that or else your snow-in summer may not have a chance to grow to maturity. Starting your snow-in summer indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Owasso. In the coldest months of winter you should expect an average low temperature of 0°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Owasso and it changes from year to year. Since half of the time in Owasso you get surprised by a frost after April 15 be ready to protect your snow-in summer if you have a late frost.

USDA Zone Info for Owasso

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 Owasso

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