The Manual on Uniform Traffic Control Devices (MUTCD) is approved by the Federal Highway Administrator. as the National Standard in accordance with Title 23 U.S. Code, Sections 109(d), 114(a), 217, 315, and 402(a), 23 CFR 655, and 49 CFR 1.48(b)(8), 1.48(b)(33), and 1.48(c)(2).
The dominant vegetation types are grassy prairie and grass steppe in which numerous species of the grass genus Stipa are particularly conspicuous. Pampas grass (Cortaderia selloana) is an iconic species of the Pampas. Vegetation typically includes perennial grasses and herbs.
Step 1. Prune the pampas grass in late winter or early spring, just as new shoots are beginning to emerge. Cut the dead growth back to ground level using the pruning shears. Step 2. Broadcast a light fertilizer, such as 10-10-10 or 8-8-8, around the plant. Use approximately 1 pound of fertilizer for every year of growth.