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.

You can figure out when to plant hamelia in Amsterdam by using the USDA zone info.

Planting Calendar for Hamelia

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

Since hamelia are not cold tolerant it's important to wait until after the last frost before you can plant them.

The earliest that you can plant hamelia in Amsterdam is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant hamelia and expect a good harvest is probably August. If you wait any later than that and your hamelia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your hamelia indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Amsterdam. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Amsterdam may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Amsterdam you get surprised by a frost after April 15 be ready to protect your hamelia if you have a late frost.

USDA Zone Info for Amsterdam

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Amsterdam

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