One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

You will be able to estimate when it's the best time to plant twinspur by referring to the USDA zone info for Lake Forest.

Planting Calendar for Twinspur

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

Twinspur do ok in some cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant twinspur in Lake Forest is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant twinspur and expect a good harvest is probably October. If you wait any later than that and your twinspur may not have a chance to really do well. You can get started a few weeks earlier by starting your twinspur indoors.

Last Frost Date

The average date of last frost is January 31 in Lake Forest. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Lake Forest is just an average the actual date of last frost is different every year. Since half of the time in Lake Forest it frosts late in the year after January 31 be ready to protect your twinspur in the event of one of those late frosts.

USDA Zone Info for Lake Forest

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Lake Forest

You may be interested in your other planting guides for Lake Forest.