My fountain grass had a big growth spurt then grass lays open, almost laying on the ground. Only the broader variegated leaf plants did this, not the thin leaf. What is causing this?
When a plant goes through a fast growth spurt, sometimes, the new growth doesn't have time to ''harden off'' before the growth gets so heavy it cvan't support itself. Is the grass in full sun? If not, the plant will not be as "strong, robust or hardened off'' as it would be grown in full sun. Although the plant may thrive in part shade, it just can't get ''enough starch in it's spine'' to stand up straight. Also, winds can blow the plant around and cause it to not stand straight. We had a Miscanthus zebrinsus that wouldn't stand up for the world. It was in full sun, grown 'hard' and protected from the wind. So, what we did was to sink 3-5 t-posts in the ground around the perimeter of the plant, strung some nylon string 5-6 times to make a corral. This was done immediately after pruning back in the spring. As the plant grew, the foliage covered the posts and string. viola' problem solved!
I planted two in good sun but they are losing their red color. Both the shoots and the plumes. I live in the San Diego area, about 4 miles from the coast. Am I over watering or using the wrong soil?
New growth is the brightest color. As it ages, it attains a greener cast. If you want a bright red, you will need to prune the plant to encourage new growth.
My Hamlin grass has had no flowers for 2 years. Why?
This article may help: https://www.gardeningknowhow.com/ornamental/foliage/ornamental-grass/no-plumes-on-ornamental-grass.htm
We have many ornamental grasses in our yard. At first they have a nice fountain appearance, but with time the base spreads and the grass is just a large massive bush. It seems like everyone else's grasses keep that fountain shape, so what am I doing wrong?
Have you pruned? It often helps to prune the grass back to keep it looking its best. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/foliage/fountain-grass/fountain-grass-pruning.htm
We typically prune our fountain grass in the early spring. However, due to the mild winter, it has already started new growth before we had a chance to cut the old growth down. Should we still go ahead and prune it, or just leave it as is?
Yes, go ahead and prune it back but merely give it a good trim rather than a hard prune. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/foliage/fountain-grass/fountain-grass-pruning.htm
I cut my fountain grass back at the beginning of spring. It is just a dead clump and I can't tell if it is going to come back or not. How can I tell? I am in Plano, Texas. It was so beautiful last year and now I'm afraid it is dead. What can I do?
Here is an article to help you determine if it is dead or just on a slow start: https://www.gardeningknowhow.com/plant-problems/environmental/how-to-tell-if-a-plant-is-dead-and-how-to-recover-an-almost-dead-plant.htm
I live in Cincinnati, Ohio and planted a few of the giant burgundy fountain grass last summer. It is now late May and the grass has no new growth. Do you think it is dead, as the color is still tan and dormant? The plants got very large and then I cut them down to about 8 inches in late fall.
These generally begin new growth in late spring to early summer. Could be that temps have not gotten warm enough yet for yours to emerge. Be patient. However, here is an article to help you determine if it is dead or just on a slow start: https://www.gardeningknowhow.com/plant-problems/environmental/how-to-tell-if-a-plant-is-dead-and-how-to-recover-an-almost-dead-plant.htm