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.

It's a good idea to figure out when to plant african daisy by using the USDA zone info for Portsmouth.

Planting Calendar for African Daisy

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

African Daisy tend to make it in mild cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant african daisy in Portsmouth 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 african daisy and expect a good harvest is probably September. If you wait any later than that and your african daisy may not have a chance to grow to maturity. Starting your african daisy 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 Portsmouth. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Portsmouth may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Portsmouth you get a frost after April 15 so make sure that you are prepared to cover your african daisy in the event of one of those late frosts.

USDA Zone Info for Portsmouth

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Portsmouth

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