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

So if you plant them outside too ahead of time in the leaping they will die . And if you plant them too lately , your sunflower wo n’t produce a flush .
Today , I ’m going to instruct you the ideal metre to plant sunflower in Ohio :
When to Plant Sunflower in Ohio
As you may have already guessed , you need to pay very closelipped tending to your local weather in the spring . Specifically , you are going to necessitate to watch when the last Robert Lee Frost hap .
In general , when there has n’t been a frost for two hebdomad , you are SAFE to embed your helianthus outside in Ohio !
For your reference , I have created this table for median frost dates for most major cities in Ohio . If your city is not listed below you could find its Last & First Frost DatesHERE .

Ohio Last & First Frost Dates
regrettably , Mother Nature plays cruel illusion on us every year .
It should be note that the above date are just norm .
There are eld when the last hoar comesMUCHlater . Sometimes , the last frost happens much before and you’re able to get your helianthus planted outside in Ohio much faster .

Like I said before , you need to be very diligent in jibe your local atmospheric condition .
So what go on if a Robert Lee Frost follow AFTER you plant your sunflower ?
When you lie with a frost is coming you need to take natural action .
Also , verify not to engraft your helianthus in your garden too late .
When Should You Start Your Sunflower Seeds Indoors?
Depending on the type of sunflower , it take roughly 10 to 14 day to grow helianthus from come indoors and then transplant them to your garden . And then another 12 to 18 weeks to blossom !
For aspecific datethat you should start helianthus seeds indoors you should :
Not only this , but I recommend again paying secretive attention to your local conditions report .
It should also be notice that the unspoilt technique for fetch your sunflower plant outside is to preface them ( in their pots ) outside for an hour . And then increase the amount of sentence they spend outside each twenty-four hours by an minute until they have been outdoors for 8 hours .
This will “ indurate ” your helianthus plant , increasing its opportunity of press off disease , louse , droughts , and wet conditions .
If you need to learnWHENto plantANYFlower in Ohio , head over toHEREand just type in the flower you want to grow .