One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Warrenton it's a good idea to estimate when to plant arctotis.

Planting Calendar for Arctotis

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

Arctotis do ok in some cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant arctotis in Warrenton 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 arctotis and expect a good harvest is probably September. If you wait any later than that and your arctotis may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your arctotis indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Warrenton. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Warrenton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Warrenton last frost occurs after April 15 be ready to cover your arctotis if you have a surprise late frost.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Warrenton

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