Before planting it is a good idea to find your USDA Zone info to estimate 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.

The USDA zone info for Carrizo Springs should be reviewed to estimate when it's the best time to plant hypericum.

Planting Calendar for Hypericum

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

Since hypericum are barely cold tolerant you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant hypericum in Carrizo Springs 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 hypericum and expect a good harvest is probably September. If you wait any later than that and your hypericum may not have a chance to really do well. Starting your hypericum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Carrizo Springs. It might get as low as 20°F during the coldest months of winter.

Remember that USDA zone info for Carrizo Springs may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Carrizo Springs you get a frost after February 15 so just be sure to be ready to protect your hypericum if you have one of those late frosts.

USDA Zone Info for Carrizo Springs

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 Carrizo Springs

You may be interested in your other planting guides for Carrizo Springs.