Also tomato leaves can yellow at the bottom due to over watering. Sometimes this can not be helped due to Mother Nature. This is why it is important to have well-draining soil, and to use a good mulch around the plants. Using compost, or a transplant mix, in your garden soil will help if drainage is an issue.
Scientific Name(s): Liatris spicata. Abundance: uncommon. What: root/tuber. How: roasted. Where: open fields, landscaping. When: fall, winter. Nutritional Value: calories. Edible gayfeather tuber.
USDA Native Status: L48 (N), CAN (N) Dense gayfeather or marsh blazing star is an erect, slender perennial reaching a height of 3-4 ft. The linear, grass-like leaves are clumped toward the base of the plant, but extend up the stem to the showy flower cluster. A tall spike of rayless, rose-purple (sometimes white), closely set flower heads.