The weather over the next week may mean misery for some Central Texans, due to ragweed pollen.
We've already seen it get into the high count several times in Austin this month and allergists predict it's about to get worse.
Plants left to grow wild like those in Bull Creek Park are double their normal size.
"This one must be 18 feet tall back here," described Dr. Bill Howland of the Allergy and Asthma Center of Austin.
He grew up nearby, and took notice of this year's plants. He's rarely seen them that tall. Most years, he says, the plants in the park only grow to be 10 to 12 feet tall.
Recent wet weather dating back to Hurricane Harvey is likely to blame; and it will make the next few weeks tough for those allergic to ragweed, according to Dr. Howland.
"With the real nice weather we're going to have, which is going to be drier, these guys will probably start popping open tomorrow and next week and there's gonna be lots of pollen in the air," he said.
So what can allergy sufferers do?
Dr. Howland believes staying inside is not the answer.
"That's letting your allergies control you," he said. "As it turns out, there are lots of over-the-counter medicines that are non-habit forming with no side effects, and they can allow almost everyone to enjoy the fall weather."
The dreaded cedar allergy season begins in the first few days of winter.