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 determining when it's possible to plant argyranthemum is to examine the USDA zone info for Westbury.

Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum:	Not tolerant of frost.
When to plant:	After the last frost.

Argyranthemum do not do well in cold weather which means that it's important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant argyranthemum in Westbury 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 argyranthemum and expect a good harvest is probably August. If you wait any later than that and your argyranthemum may not have a chance to grow to maturity. Starting your argyranthemum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Westbury. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that USDA zone info for Westbury may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Westbury last frost occurs after April 15 so always be ready to protect your argyranthemum in the event of a late frost.

USDA Zone Info for Westbury

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 Westbury

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