Texas Gardening forum: DFW Watering Issue

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lennon33x
Sep 13, 2017 7:39 PM CST
Ok, I'm totally new to the landscape/gardening area, but I'm about to pull my hair out because I can't figure out if I'm underwatering or overwatering my landscaping, or if there's something I'm missing.

Backstory: basically a new development just east of Dallas, about 3 miles from a lake. Soil consists of a ton of clay, and I've been pretty successful with my lawn growth all summer. Bermuda in all areas. I've fertilized three times (new sod planted in March). Originally I used a 3:1:2 ratio fertilizer, and it didn't really help the lawn. But I switched to the StaGreen 29-0-5 (plus 2% iron) and had great success all summer.

However, the trees that were planted are just having a terrible time. We have three areas of landscaping. One area has crape myrtles, and has done well, for the most part. Another area, which happens to collect water when it rains significantly, killed off my mexican plums, in spite of me cutting the water back. When I went to cut watering overall to twice weekly, it torched my grass, but the trees still did poorly. Additionally, our HOA planted a rather large Red Oak near the street with a bubbler (0.5 gallons/min). It eventually died, and had to be removed.

I'm trying to figure out the best way to make sure my lawn stays fresh without absolutely drenching my trees. Based on the HOA rules, I have to have trees in certain areas. I eventually replaced the mexican plums with crape myrtles about two weeks ago, but I'm not sure if I'm under or over watering or if they weren't healthy to begin with. The leaves are not as brightly colored as the other CM that I have in the other areas.

Whatever you guys can do to help me fine tune this mess, I would appreciate!

Name: Sandi
Austin, Tx (Zone 8b)
Texas Gardening
Forum moderator Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Plant Identifier Master Gardener: Texas
Region: Texas Tropicals Plumerias Ferns Greenhouse Garden Art
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Bubbles
Sep 14, 2017 12:46 PM CST

Moderator

@lennon 33x Welcome to NGA! Not knowing enough about the soil in your area, I'm going to suggest you call the Texas A&M Extension Agency in your area. They will probably suggest a soil test in those areas. They may also be familiar with your area and be able to tell you what to do. Master Gardeners usually man the phones and can send you as much reference material that you desire. Everything from what trees are successful in that soil to what to do when the fire ants move in!
Name: Sandi
Austin, Tx (Zone 8b)
Texas Gardening
Forum moderator Charter ATP Member I was one of the first 300 contributors to the plant database! Garden Ideas: Master Level Plant Identifier Master Gardener: Texas
Region: Texas Tropicals Plumerias Ferns Greenhouse Garden Art
Image
Bubbles
Sep 14, 2017 1:05 PM CST

Moderator

This looks like a great website for the extension agency. I think I'm jealous!

https://dallas.tamu.edu/

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