Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant red hot pokers in Watertown can be figured out by looking at the USDA zone info.

Planting Calendar for Red Hot Pokers

Frost tolerance for red hot pokers:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since red hot pokers are very cold tolerant you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant red hot pokers in Watertown 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 red hot pokers and expect a good harvest is probably August. If you wait any later than that and your red hot pokers may not have a chance to grow to maturity. Starting your red hot pokers 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 Watertown. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Watertown may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Watertown you get a frost after May 15 be ready to protect your red hot pokers if you have a late frost.

USDA Zone Info for Watertown

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 Watertown

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