Before planting it is a good idea to find your USDA Zone info to figure out 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 Johnston can be looked at to figure out when you can plant basket of gold.

Planting Calendar for Basket of Gold

Frost tolerance for basket of gold:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Basket of Gold are very cold tolerant which means that you can start planting them much earlier than other plants that might not handle the cold.

The earliest that you can plant basket of gold in Johnston 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 basket of gold and expect a good harvest is probably September. You probably don't want to wait any later than that or else your basket of gold may not have a chance to really do well. If you are starting your basket of gold indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Johnston. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Johnston is just an average the actual date of last frost is different every year. Since half of the time in Johnston you get a frost after April 15 be ready to cover your basket of gold in the event of a surprise late frost.

USDA Zone Info for Johnston

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Johnston

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