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 earliest that you can plant tagetes in Amsterdam can be estimated by using the USDA zone info.

Planting Calendar for Tagetes

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

Since tagetes require warm weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant tagetes 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 tagetes and expect a good harvest is probably August. Any later than that and your tagetes may not have a chance to grow to maturity. You can get started a little bit earlier by starting your tagetes indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Amsterdam. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Amsterdam is just an average and the actual date of last frost changes from year to year. Since half of the time in Amsterdam you get surprised by a frost after April 15 be ready to cover your tagetes 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.