Native Plants
Q. Who is Mr. Smarty Plants?
A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.
Did you know you can access the Native Plant Information Network with your web-enabled smartphone?
Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.
rate this answer
Wednesday - November 09, 2011
From: Fredericksburg, TX
Region: Southwest
Topic: Compost and Mulch, Diseases and Disorders, Grasses or Grass-like
Title: Native Grass is Falling Over
Answered by: Mike Tomme
QUESTION:
Hi Mr. Smarty Plants, I've tried to find this answer but am stumped as to the cause. We live in Fredericksburg, TX and have several different tall grasses, Yellow Indian grass, Little Bluestem, wire grass. Some have done very well this year. Others, especially the wire grass, have fallen over or lodged. They are growing, but aren't reaching for the sky like the others. All get the same amount of water, sun and no amendments. Several that are falling over are in the same bed as the ones that aren't. Can you tell me why? We water about 1" a week. Thank you very much!!ANSWER:
The Native Plant Database identifies three grasses that go by the name wiregrass; Aristida beyrichiana (Beyrich threeawn), Aristida stricta (Pineland threeawn) and Nassella tenuissima (Mexican feathergrass). The first two occur in the pine woodlands of the southeast United States and are not native to Texas, so Mr. Smarty Plants suspects you are talking about the third. This is a very widely used plant in central Texas landscapes.
It's always hard to guess what the problem is with a plant when you can't see it (and often when you can see it), but let's start with the basics. Here is what the Native Plant Database has to say:
"Growing Conditions
Water Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Moist , Dry
Soil Description: Well-drained, acid or calcareous sands, loams, or clays.
Conditions Comments: Requires good drainage and cant take excessive moisture. Should not be watered heavily more than once a week. Goes dormant during drought and in winter. May rot under heavy mulch. Grows well in containers."
Usually, the problems with this plant result from too much water or poor drainage that can be exacerbated by heavy mulch. It doesn't sound like you are overwatering at one inch per week, but you might check to make sure your soil is drying out between waterings.
You will also note that the plant goes dormant during drought. During this past summer in central Texas lots of these plants around town fell over or otherwise went dormant.
Another possible explanation is that some plants are just less vigorous than others and you may have some that are simply predisposed to being small.
My advice right now is to keep up your watering schedule, make sure they are not too heavily mulched and see if the cooler weather brings some improvement.
From the Image Gallery
More Compost and Mulch Questions
Plants to grow in high zinc, lead and copper soil in Los Angeles
January 24, 2011 - We live on the Westside of Los Angeles and have just been given the bad news that our beds are high in zinc (86.39), lead (45.98) and copper(12.95). Can you recommend some plants that may grow in thes...
view the full question and answer
Pine bark on non-native St. Augustine grass in Kingwood TX
May 12, 2010 - I had two large Pine trees cut down. In the process of cutting the trees down there is a lot of pine bark from the tree on my St Augustine grass. Will this affect the growth of my grass?
view the full question and answer
Dog wallowing in damp area in garden from Great Bend KS
March 20, 2013 - I Have a wet area in my back yard that is close to my house. and off my patio there is a water hydrant,gas meter, electrical for my hot tub, my sprinkler valves and pump all there. My dog digs throug...
view the full question and answer
Native grasses for central Georgia
August 06, 2011 - We've just bought a 1990 circa house in Dallas, Georgia. It sits on a .62 acre lot. One half of the lot is woods, the rest is lawn. The lawn is covered mostly with weeds and wild strawberries.
...
view the full question and answer
Help with composting in Katy TX
March 19, 2010 - I've gone on line and tried to figure out what I'm doing wrong with my compost pile. What exactly is the proper ratio, and the types of plant matter and layers to achieve the optimum decomposition i...
view the full question and answer
Support the Wildflower Center by Donating Online or Becoming a Member today. |