Do you want to grow sunflower in Wisconsin , but do n’t know when to plant them ?
Planting helianthus is not as easy as it seems .
Here ’s why :

So if you constitute them outside too too soon in the spring they will die . And if you plant them too late , your sunflower wo n’t produce a bloom .
Today , I ’m going to learn you the ideal prison term to constitute sunflower in Wisconsin :
When to Plant Sunflower in Wisconsin
As you may have already guessed , you need to bear very unaired aid to your local weather in the spring . Specifically , you are going to need to watch when the last frost occurs .
In worldwide , when there has n’t been a frost for two week , you are SAFE to embed your helianthus outside in Wisconsin !
For your reference , I have created this tabular array for middling frost dates for most major cities in Wisconsin . If your metropolis is not list below you’re able to line up its Last & First Frost DatesHERE .

Wisconsin Last & First Frost Dates
Unfortunately , Mother Nature play savage whoremonger on us every twelvemonth .
It should be noted that the above dates are just average .
There are years when the last icing comesMUCHlater . Sometimes , the last rime happens much before and you could get your sunflower planted out of doors in Wisconsin much quicker .

Like I read before , you demand to be very diligent in checking your local weather .
So what happens if a frost comes AFTER you plant your helianthus ?
When you know a frost is add up you postulate to take action .
Also , ensure not to plant your sunflower in your garden too late .
When Should You Start Your Sunflower Seeds Indoors?
count on the type of helianthus , it take close to 10 to 14 days to grow sunflower from seed indoors and then graft them to your garden . And then another 12 to 18 week to bloom !
For aspecific datethat you should start helianthus seeds indoors you should :
Not only this , but I recommend again paying close tending to your local weather report .
It should also be noted that the best technique for bringing your sunflower plant outside is to enter them ( in their pots ) outside for an hour . And then increase the amount of metre they expend outside each day by an hr until they have been outside for 8 hour .
This will “ season ” your sunflower plant life , increasing its prospect of fighting off disease , insects , drouth , and wet condition .
If you want to learnWHENto plantANYFlower in Wisconsin , point over toHEREand just type in the flower you desire to grow .