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.

One way of estimating when it's possible to plant tropical water plants is to look at the USDA zone info for Altamonte Springs.

Planting Calendar for Tropical Water Plants

Frost tolerance for tropical water plants:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant tropical water plants until after the last frost because they are not cold tolerant.

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

Last Frost Date

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

Keep in mind that USDA zone info for Altamonte Springs is just an average and the actual date of last frost is different every year. Half of the time in Altamonte Springs there is a last frost after February 15 so make sure that you are ready to cover your tropical water plants if you have one of those late frosts.

USDA Zone Info for Altamonte Springs

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 Altamonte Springs

You may be interested in your other planting guides for Altamonte Springs.