One of the first steps you take when you are getting a good idea 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.

By using the USDA zone info for Burlingame it's possible to figure out when it's the best time to plant dahlia.

Planting Calendar for Dahlia

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

Since dahlia do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant dahlia in Burlingame 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 dahlia and expect a good harvest is probably September. If you wait any later than that and your dahlia may not have a chance to fully mature. You can get started a little bit earlier by starting your dahlia indoors.

Last Frost Date

The average date of last frost is January 31 in Burlingame. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Burlingame is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Burlingame you get a frost after January 31 be ready to protect your dahlia in the event of a surprise late frost.

USDA Zone Info for Burlingame

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 Burlingame

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