The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Owasso you can estimate when it's possible to plant anagallis by referring to the USDA zone info.

Planting Calendar for Anagallis

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

You can plant anagallis a bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant anagallis in Owasso 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 anagallis and expect a good harvest is probably August. Any later than that and your anagallis may not have a chance to grow to maturity. Starting your anagallis 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 USDA zone info for Owasso is an average and the actual date of last frost changes from year to year. Half of the time in Owasso it frosts late in the year after April 15 so make sure that you are ready to protect your anagallis if you have one of those late frosts.

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.