One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's possible to plant canna by referring to the USDA zone info for Milpitas.

Planting Calendar for Canna

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

It's probably not a good idea to plant canna until after the last frost because they require warm weather.

The earliest that you can plant canna in Milpitas 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 canna and expect a good harvest is probably September. You probably don't want to wait any later than that or else your canna may not have a chance to fully mature. You can get started a few weeks earlier by starting your canna indoors.

Last Frost Date

The average date of last frost is February 15 in Milpitas. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Milpitas may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Milpitas it frosts late in the year after February 15 be ready to protect your canna if you have one of those late frosts.

USDA Zone Info for Milpitas

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 Milpitas

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