One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant bachelor buttons by using the USDA zone info for Waterville.

Planting Calendar for Bachelor Buttons

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

Bachelor Buttons can survive in moderate cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant bachelor buttons in Waterville 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 bachelor buttons and expect a good harvest is probably September. Any later than that and your bachelor buttons may not have a chance to grow to maturity. Starting your bachelor buttons indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Waterville. In the coldest months of winter you should expect an average low temperature of -20°F.

Remember that USDA zone info for Waterville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Waterville you get surprised by a frost after April 15 be ready to protect your bachelor buttons if you have one of those late frosts.

USDA Zone Info for Waterville

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 Waterville

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