Do you want to raise zinnia in Idaho , but do n’t know when to plant them ?
Planting zinnia is not as prosperous as it seems .
Here ’s why :

So if you plant them outside too ahead of time in the spring they will die . And if you plant them too late , your old maid flower wo n’t produce a bloom .
Today , I ’m going to instruct you the ideal time to plant old maid flower in Idaho :
When to Plant Zinnia in Idaho
As you may have already guess , you need to pay very close attention to your local atmospheric condition in the spring . Specifically , you are depart to need to watch over when the last frost go on .
In general , when there has n’t been a freeze for two weeks , you are SAFE to embed your old maid flower alfresco in Idaho !
For your reference , I have create this table for mean hoarfrost dates for most major city in Idaho . If your city is not listed below you’re able to encounter its Last & First Frost DatesHERE .

Idaho Last & First Frost Dates
unluckily , Mother Nature plays cruel tricks on us every twelvemonth .
It should be noted that the above dates are just average .
There are years when the last freeze comesMUCHlater . Sometimes , the last frost happens much sooner and you could get your zinnia planted alfresco in Idaho much quicker .

Like I sound out before , you need to be very persevering in check your local weather .
So what happens if a frost hail AFTER you plant your zinnia ?
When you know a frost is coming you need to take action .
Also , verify not to plant your old maid in your garden too lately .
When Should You Start Your Zinnia Seeds Indoors?
depend on the character of old maid flower , it takes roughly 5 to 24 days to grow zinnia from seed indoors and then transplant them to your garden . And then another 2 months to bloom !
For aspecific datethat you should protrude old maid seeds indoors you should :
Not only this , but I recommend again pay close attention to your local weather report .
It should also be noted that the best proficiency for bringing your zinnia plants outdoors is to introduce them ( in their plenty ) outside for an hr . And then increase the amount of clock time they spend outside each day by an time of day until they have been outside for 8 minute .
This will “ indurate ” your old maid flower flora , increasing its chances of fighting off disease , insects , drought , and besotted conditions .
If you want to learnWHENto plantANYFlower in Idaho , head over toHEREand just type in the efflorescence you want to grow .