Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Royal Palm Beach can be reviewed to determine when it's the best time to plant nasturtium.

Planting Calendar for Nasturtium

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

Since nasturtium are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant nasturtium in Royal Palm Beach 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 nasturtium and expect a good harvest is probably September. If you wait any later than that and your nasturtium may not have a chance to grow to maturity. Starting your nasturtium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Royal Palm Beach. In the coldest months of winter you can expect an average low temperature of 30°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Royal Palm Beach and it changes from year to year. Half of the time in Royal Palm Beach last frost occurs after January 31 so be sure to be ready to protect your nasturtium if you have a late frost.

USDA Zone Info for Royal Palm Beach

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 Royal Palm Beach

You may be interested in your other planting guides for Royal Palm Beach.