Question
i put too much bacing soda in my sun flower plant,and now it is dying how do i revive it?or is it done?

Answer
Jennifer dear, What were you thinking?

Baking soda sprayed with horticultural oil and water is a great way to kill fungus on infected leaves.  But I am not aware of any uses for baking soda as, say, a mulch or fertilizer.

Sunflowers, which tend to suffer from powdery mildew, will benefit from the baking soda spray.

But if the sunflower ALREADY HAS mildew, NO FUNGICIDE WILL CURE THE MILDEW.

Now, I know that doesn't make any sense, Jennifer.

The very word "fungicide" means "killer of fungus".  Right?  

But they don't.

Copper, which is very toxic, tends to "cure" a sick plant.  But there is nothing else I know of that will get rid of fungus that's already there.

I know, they don't tell you that.  But I will.

If your Sunflower plant was suffering, and if you are saying that you sprayed your Sunflower plant with a baking soda solution and you think you put too much on - I have news for you.

The fungus/mildew that were attacking your Sunflower are what's killing your plant.  Not the baking soda.

Now, if you actually "put too much baking soda" on the plant, and I hope I am wrong here, well, don't do that again.  You can try watering the baking soda in very well, but it is really not something you want to be using as some kind of fertilizer or systemic fungicide.

I wish I could be more optimistic about your Sunflower.  Next year, grow these again.  They are so eye catchingly beautiful.  

But remember the course that history took in the summer of 2006, and before there are ANY signs of a fungus or mildew, spray spray spray.  You will be rewarded with the Sunflowers you dreamed of and no mildew will get in the way of them shining all over town.  

This year, sadly, may not end so happily - but then, it might.  

Watch your sunflower carefully and see if it recovers.  You might be pleasantly surprised.