Chenpodium (Lamb's Quarter's): June to December. Peaks in September.
Iva Ciliata (Marshelder): August to December.
Rough Pigweed: March to December. Peaks in June and July.
Short Ragweed: August to December. Peaks in September.
Sorrell (Sour Dock): May to September. Provokes allergies during grass season.
Box Elder: Peaks in April and May.
Cottonwood: Peaks in March and April.
Elm: Peaks in February and March then fall, August and September
Juniper: Cousin to Mt. Cedar. Peaks October to December.
Mesquite: Peaks in March and April
Mt. Cedar: Peaks November to March, between Christmas and New Year's.
Live Oak: Peaks February to April.
Pecan: Peaks in April and May.
Privet (Ligustrum): Peaks in April and May. Evergreen Hedge.
Bermuda: Peaks in May to October.
Johnson: Peaks in June to October.
Red Top: Peaks in June to July.
Timothy: Peaks in June to July.