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.

A common way of figuring out when it's possible to plant swan river daisy is to consult the USDA zone info for Henderson.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since swan river daisy require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant swan river daisy in Henderson 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 swan river daisy and expect a good harvest is probably August. Any later than that and your swan river daisy may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your swan river daisy indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Henderson. You should expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Henderson and it is different every year. Half of the time in Henderson it frosts late in the year after April 15 so just be sure to be ready to protect your swan river daisy in the event of a surprise late frost.

USDA Zone Info for Henderson

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Henderson

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