One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

You can determine when to plant arctotis in Sheldon by referring to the USDA zone info.

Planting Calendar for Arctotis

Frost tolerance for arctotis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Arctotis are moderately cold tolerant which tells us that you can start planting them earlier than more sensitive plants.

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

Last Frost Date

The average date of last frost is May 15 in Sheldon. You can expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Sheldon may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Sheldon you get a frost after May 15 so always be ready to protect your arctotis in the event of a surprise late frost.

USDA Zone Info for Sheldon

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Sheldon

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