Do you need to grow zinnia in Oklahoma , but do n’t know when to plant them ?
Planting old maid flower is not as gentle as it seems .
Here ’s why :

So if you plant them outdoors too betimes in the spring they will die . And if you set them too late , your zinnia wo n’t bring out a blush .
Today , I ’m run to teach you the idealistic time to found zinnia in Oklahoma :
When to Plant Zinnia in Oklahoma
As you may have already guessed , you need to pay off very close attention to your local atmospheric condition in the spring . Specifically , you are going to need to look on when the last frost occurs .
In general , when there has n’t been a Robert Frost for two weeks , you are SAFE to plant your old maid outside in Oklahoma !
For your mention , I have created this table for intermediate frost dates for most major city in Oklahoma . If your city is not listed below you could find its Last & First Frost DatesHERE .

Oklahoma Last & First Frost Dates
regrettably , Mother Nature plays vicious tricks on us every year .
It should be noted that the above date are just average .
There are years when the last Robert Frost comesMUCHlater . Sometimes , the last frost happens much earlier and you could get your zinnia implant outdoors in Oklahoma much quicker .

Like I said before , you necessitate to be very persevering in checking your local weather .
So what happens if a frost comes AFTER you implant your old maid ?
When you know a frost is coming you require to take military action .
Also , verify not to plant your zinnia in your garden too late .
When Should You Start Your Zinnia Seeds Indoors?
Depending on the type of zinnia , it takes about 5 to 24 days to grow zinnia from seed indoors and then transplant them to your garden . And then another 2 months to flower !
For aspecific datethat you should start zinnia seed indoors you should :
Not only this , but I recommend again paying faithful care to your local weather written report .
It should also be mark that the best technique for bringing your zinnia plants outside is to introduce them ( in their pots ) out of doors for an 60 minutes . And then increase the amount of time they spend outside each day by an minute until they have been outside for 8 hour .
This will “ indurate ” your zinnia plant , increase its chance of fighting off diseases , insects , droughts , and wet weather condition .
If you want to learnWHENto plantANYFlower in Oklahoma , channelise over toHEREand just type in the peak you want to grow .