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.

You can estimate when you can plant zinnia in Sandy by checking out the USDA zone info.

Planting Calendar for Zinnia

Frost tolerance for zinnia:	Not tolerant of frost.
When to plant:	After the last frost.

Since zinnia require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant zinnia in Sandy is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant zinnia and expect a good harvest is probably August. If you wait any later than that and your zinnia may not have a chance to really do well. You can get started a little bit earlier by starting your zinnia indoors.

Last Frost Date

On average the last frost is on April 15 in Sandy. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Sandy is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Sandy it frosts late in the year after April 15 so make sure that you are prepared to protect your zinnia in the event of a surprise late frost.

USDA Zone Info for Sandy

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 Sandy

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