One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Norristown you can estimate when it's possible to plant bachelor buttons by reviewing the USDA zone info.

Planting Calendar for Bachelor Buttons

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

Since bachelor buttons are moderately cold tolerant you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bachelor buttons in Norristown 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. If you wait 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

On average the last frost has passed is on April 15 in Norristown. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that USDA zone info for Norristown is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Norristown it frosts late in the year after April 15 so make sure that you are ready to cover your bachelor buttons if you have a surprise late frost.

USDA Zone Info for Norristown

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Norristown

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