One of the first steps you take when you are estimating your gardening schedule is find your 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.

In Rockville Centre you can estimate when it's a good idea to plant monarda by referring to the USDA zone info.

Planting Calendar for Monarda

Frost tolerance for monarda:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Monarda do well in a tiny bit of cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant monarda in Rockville Centre 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 monarda and expect a good harvest is probably August. If you wait any later than that and your monarda may not have a chance to really do well. If you are starting your monarda indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Rockville Centre. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Rockville Centre may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Rockville Centre there is a last frost after April 15 so make sure that you are prepared to protect your monarda in the event of a surprise late frost.

USDA Zone Info for Rockville Centre

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Rockville Centre

You may be interested in your other planting guides for Rockville Centre.