Before planting it is a good idea to find your USDA Zone info to figure out 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.

One way of making a decision about when you can plant axilflower is to examine the USDA zone info for San Luis Obispo.

Planting Calendar for Axilflower

Frost tolerance for axilflower:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant axilflower until after the last frost because they are not cold tolerant.

The earliest that you can plant axilflower in San Luis Obispo 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 axilflower and expect a good harvest is probably September. Any later than that and your axilflower may not have a chance to grow to maturity. If you are starting your axilflower indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in San Luis Obispo. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for San Luis Obispo is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in San Luis Obispo last frost occurs after February 15 be ready to cover your axilflower if you have a late frost.

USDA Zone Info for San Luis Obispo

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 San Luis Obispo

You may be interested in your other planting guides for San Luis Obispo.