When to Plant Lenten Rose in Ambler, PA

One of the first steps you take when you are getting a good idea 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.

A common way of making a decision about when it's the best time to plant lenten rose is to check out the USDA zone info for Ambler.


Planting Calendar for Lenten Rose

Frost tolerance for lenten rose: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Lenten Rose tend to make it in some cold which tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant lenten rose
Possibly ok, but a risky time to plant lenten rose
Probably not a good time to plant lenten rose

The earliest that you can plant lenten rose in Ambler 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 lenten rose and expect a good harvest is probably September. You probably don't want to wait any later than that or else your lenten rose may not have a chance to fully mature. You can get started a few weeks earlier by starting your lenten rose indoors.

Last Frost Date

The average date of last frost is April 15 in Ambler. You should expect an average low temperature of 0°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Ambler and it changes from year to year. Since half of the time in Ambler you get surprised by a frost after April 15 be ready to cover your lenten rose in the event of one of those late frosts.

USDA Zone Info for Ambler

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Ambler

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