One of the first steps you take when you are estimating 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.

The first chance to plant purslane in Platteville can be figured out by referring to the USDA zone info.

Planting Calendar for Purslane

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

Since purslane are barely cold tolerant you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant purslane in Platteville 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 purslane and expect a good harvest is probably August. You probably don't want to wait any later than that or else your purslane may not have a chance to fully mature. You can get started a little bit earlier by starting your purslane indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Platteville. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Platteville is just an average and the actual date of last frost will vary from year to year. Half of the time in Platteville there is a last frost after April 15 so make sure that you are ready to protect your purslane if you have one of those late frosts.

USDA Zone Info for Platteville

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 Platteville

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