Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when you can plant swan river daisy by using the USDA zone info for Highland.

Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

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

The earliest that you can plant swan river daisy in Highland is March. However, you really should wait until April 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 September. Any later than that and your swan river daisy may not have a chance to really do well. Starting your swan river daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Highland the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Highland may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Highland there is a last frost after February 15 so always be ready to protect your swan river daisy if you have a surprise late frost.

USDA Zone Info for Highland

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Highland

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