Do you want to get zinnia in New Hampshire , but do n’t bang when to plant them ?

Planting old maid is not as easy as it seems .

Here ’s why :

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So if you plant them outside too early in the spring they will die . And if you imbed them too late , your zinnia wo n’t produce a blooming .

Today , I ’m go to instruct you the idealistic metre to plant old maid in New Hampshire :

When to Plant Zinnia in New Hampshire

As you may have already guessed , you need to ante up very unaired attention to your local weather in the spring . Specifically , you are going to need to watch when the last hoar occurs .

In general , when there has n’t been a icing for two week , you are SAFE to plant your zinnia outside in New Hampshire !

For your reference , I have create this mesa for modal frost dates for most major cities in New Hampshire . If your city is not heel below you could find its Last & First Frost DatesHERE .

![New Hampshire Frost Dates](https://thegardeningdad.com/wp-content/uploads/2021/07/New Hampshire-Frost-Dates.png)

New Hampshire Last & First Frost Dates

alas , Mother Nature plays roughshod tricks on us every year .

It should be noted that the above date are just averages .

There are years when the last frost comesMUCHlater . Sometimes , the last frost happens much before and you may get your zinnia plant outside in New Hampshire much quicker .

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Like I aver before , you need to be very diligent in fit your local weather .

So what happens if a frost come AFTER you embed your old maid flower ?

When you have it off a frost is coming you need to take action .

Also , check that not to plant your old maid flower in your garden too late .

When Should You Start Your Zinnia Seeds Indoors?

Depending on the character of zinnia , it takes roughly 5 to 24 days to grow old maid flower from semen indoors and then transfer them to your garden . And then another 2 months to bloom !

For aspecific datethat you should set out old maid seeds indoors you should :

Not only this , but I recommend again paying close attention to your local weather report .

It should also be note that the best proficiency for impart your zinnia plants alfresco is to stick in them ( in their pots ) outside for an hour . And then increase the amount of prison term they spend outside each day by an 60 minutes until they have been outside for 8 minute .

This will “ harden ” your old maid works , increasing its probability of fighting off disease , dirt ball , drought , and wet condition .

If you desire to learnWHENto plantANYFlower in New Hampshire , head over toHEREand just type in the flower you want to grow .