One of the first steps you take when you are determining your gardening schedule is find your 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.

The USDA zone info for Joshua can be reffered to in order to estimate when to plant sanvitalia.

Planting Calendar for Sanvitalia

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

Since sanvitalia are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant sanvitalia in Joshua 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 sanvitalia and expect a good harvest is probably August. Any later than that and your sanvitalia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your sanvitalia indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Joshua. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Joshua is not always accurate the actual date of last frost will vary from year to year. Half of the time in Joshua it frosts late in the year after March 15 so make sure that you are prepared to protect your sanvitalia if you have a surprise late frost.

USDA Zone Info for Joshua

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Joshua

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