One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Sparks should be reffered to in order to estimate when it's the best time to plant gomphrena.

Planting Calendar for Gomphrena

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

Gomphrena are barely cold tolerant which tells us that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant gomphrena in Sparks 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 gomphrena and expect a good harvest is probably August. Any later than that and your gomphrena may not have a chance to grow to maturity. Starting your gomphrena indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Sparks 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 Sparks you get a frost after April 15 so just be sure to be ready to protect your gomphrena if you have a surprise late frost.

USDA Zone Info for Sparks

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 Sparks

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