The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Robinson you can figure out when you can plant iresene by looking at the USDA zone info.

Planting Calendar for Iresene

Frost tolerance for iresene:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since iresene do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant iresene in Robinson is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant iresene and expect a good harvest is probably August. You probably don't want to wait any later than that or else your iresene may not have a chance to grow to maturity. Starting your iresene indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Robinson. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Robinson is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Robinson last frost occurs after April 15 be ready to cover your iresene if you have a surprise late frost.

USDA Zone Info for Robinson

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 Robinson

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