One of the best tools that you have as gardeners to help us determine 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.

The first opportunity to plant tropical water plants in San Dimas can be figured out by reviewing the USDA zone info.

Planting Calendar for Tropical Water Plants

Frost tolerance for tropical water plants:	Not tolerant of frost.
When to plant:	After the last frost.

It's not a good idea to plant tropical water plants until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant tropical water plants in San Dimas 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 tropical water plants and expect a good harvest is probably September. You probably don't want to wait any later than that or else your tropical water plants may not have a chance to really do well. You can get started a couple of weeks earlier by starting your tropical water plants indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in San Dimas. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that USDA zone info for San Dimas may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in San Dimas there is a last frost after January 31 so be sure to be ready to cover your tropical water plants in the event of a surprise late frost.

USDA Zone Info for San Dimas

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 San Dimas

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