The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's the best time to plant oleander is to refer to the USDA zone info for New Prague.

Planting Calendar for Oleander

Frost tolerance for oleander:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since oleander are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant oleander in New Prague is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant oleander and expect a good harvest is probably August. If you wait any later than that and your oleander may not have a chance to grow to maturity. If you are starting your oleander indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on May 15 in New Prague. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for New Prague is an average and the actual date of last frost changes from year to year. Since half of the time in New Prague you get a frost after May 15 be ready to cover your oleander in the event of one of those late frosts.

USDA Zone Info for New Prague

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 New Prague

You may be interested in your other planting guides for New Prague.