One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

In Spring Lake you can estimate when it's a good idea to plant pyrethrum by referring to the USDA zone info.

Planting Calendar for Pyrethrum

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

Since pyrethrum do well in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant pyrethrum in Spring Lake 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 pyrethrum and expect a good harvest is probably September. If you wait any later than that and your pyrethrum may not have a chance to grow to maturity. Starting your pyrethrum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Spring Lake. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Spring Lake is an average the actual date of last frost will vary from year to year. Half of the time in Spring Lake there is a last frost after March 15 so be sure to be ready to cover your pyrethrum in the event of a surprise late frost.

USDA Zone Info for Spring Lake

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Spring Lake

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