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The Landscape Thread - Blues and Borders!

Sirhornsalot

**The Official Horn Sports Landscaper and Landscap
Joined
Nov 6, 2013
Messages
33,310
I'll start this one off with a few items that I've run into and thought I'd pass on. I hope everyone is enjoying the spring season and have wiped off the winter!

DON'T WAIT TO MOW NEXT YEAR

1. Coming out of winter, many homeowners will not mow their lawn because their lawn grass has not emerged from dormancy. A few weeds predictably come in and grow to impressive size. Yet, still no mowing.

Do not wait on your turf to come out of dormancy before starting the mowing season off. If you allow weeds to grow and mature and then seed-out, you're helping propagate the weed population in your lawn. Go ahead and mow, mow short in that early period of the season. That will help keep the weeds from multiplying prior to the turf grass coming out of dormancy . . . even if you are spraying weeds during that time.

BLUE ANYONE?

2. Sharing an emailed question from this week:

"Dear SHA, My wife is upset with me. She sent me to the nursery, told me to come back with some blue flowers. I came back with nothing. What can I do?"

Blue flowers are a problem, believe it or not. Mother Nature creates all kinds of colors in her flora, but blue is one of the more tougher to find on her pallet. I have a friend here in the Metroplex who crossbreeds Daylilies to create new varieties. Even with his skills, knowledge and experience - blue is a color he can't seem to create. The pigment just isn't naturally available.

That said, here are a few plants that will bloom the color blue.

A. Blue Daze - a small dime-sized blue bloom. Grows up to 18 inches high and will bloom off and on all summer. The more sun it gets, the more it blooms.

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B. Texas Blue Bells - Relatively tough to find despite being a native Texas flower. I've found these at Calloways from time to time. They will bloom for a few months and are spectacular when they do. I don't plant many because the short blooming time is not something that appeals to many of our customers.

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C. Hydrangea - Endless Summer Hydrangea is a nice medium blue. If you're in Austin, DFW, or San Antonio - plant these on the east or north side of your home so that it doesn't get the afternoon-evening sun. In Houston, it's so tropical you can plant them wherever you want.

You can change the color of the blooms to pink, however, by increasing the amount of acid in the soil the plant sits in. I've done it, it works.

Hydrangeas will literally tell you when they need water as they will "pout" and droop something pitiful. Water them when you see this. Stand there for about 10 minutes and watch as it straightens back up to look robust again.

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D. Plumbago - A native of Australia, this plant is very drought tolerant and blooms are similar to that of a Hydrangea. Their drawback is that they can look at little gangly but when planted among other flowers, they look great. They are not constant bloomers, but will bloom on and off through the summer.

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DON'T BE FOOLED - if you're strict about your colors, then don't be fooled by the "blue" petunias (they're not blue, they're purple) or light blue petunias (they're gray, not blue) and Blue Salvia is purple, not blue.

 
Filing this one in two segments due to a limit on how many pictures I can post in one post . . . 

BORDERING!

3. Dear SHA, I'm in El Paso, so I'm beyond your reach. I want to create a border for our flower/shrub beds but don't know what I want or what the options are. Can you list a few for me and what they will cost me?

No problem and I hope this helps:

A. Concrete, shaped bordering has a contoured shape and is created by a specialized machine that mixes concrete in one end and spits it out the back end as a finished concrete, continuous border. It can be stained (like any concrete) and made to look like it's bricked. It's on the expensive side and has the same cons as other concrete products i.e. crack, break, etc., over time.

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B. Man-made stone, aka Pavestone (name brand) with lipped ends that allows an interlocking construction. These are relatively easy to work with but does require some attention to detail and proper prep. The pros - easy, requires no real additional materials, sold everywhere. Cons - despite attempts to make it look natural, they do not. One stone looks just like the next, which is not natural. Costs are a step down from the concrete bordering and about the same as natural stone.

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C. Natural chopped stone - an awesome, natural look that can be done with or without mortar. Mortared version provides a cleaner look and runs about $10 a linear foot. There are many types of chopped stone to match about any brick on a home. Stone is permanent, does not require maintenance or replacement, looks naturally beautiful. Cons - will sometimes suffer cracks in the mortar, which is again a natural look but some aren't as accepting of that.

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D. Landscape timbers or railroad cross ties - Both are great, short-term options for bordering. The landscape timbers will likely last around 5-6 years before rotting, even with staining. Landscape timbers are made from the center of the tree, the softest wood there is. So they tend to rot faster. The railroad ties are much more durable and provide a nice dark look that contrasts well against the plants in the landscape. The con is that they tend to attract ants.

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E. Metal or plastic edging - Metal edging is a simple, inexpensive way to border your beds. Included with the purchase of the edging are the metal spikes used to secure them. They come in green, brown and black. Plastic edging, IMO, is worthless and I only mention it so I can warn you against it. Yea, it's cheap. But it will not look the way you're thinking it will. It's difficult to work with and does not bend well.

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F. Steel plate edging - becoming more popular, especially in the wealthier subdivisions. Plate metal is being used to make borders. It's run between stone columns and features an intentionally rusted look that's clean and sleek but also natural. It's pretty pricey and exact pricing depends on the going rate of steel at the time of purchase.

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HEADS-UP!

4. Just a tip for you do-it-yourselfers . . . I've noticed some early signs of grub worm activity in some lawns in the Austin and DFW areas. You may want to consider applying your grub kill about 3 weeks early this year. Instead of waiting until mid-June, we'll be doing applications in late May this year in the Austin area.

 
Hi Sirhornsalot

I enjoy your threads and gain a lot of helpful info. from them.  I am interested in adding some type of walk leading from our house to the lake.  The length of the finished walk will be rather large & therefore I need to find an inexpensive but desirable method.  The lawn is St. Augustine grass.  Do you have any suggestions & possible photos?  Your help with be truly appreciated.

thank you

gmcc

 
Hi Sirhornsalot

I enjoy your threads and gain a lot of helpful info. from them.  I am interested in adding some type of walk leading from our house to the lake.  The length of the finished walk will be rather large & therefore I need to find an inexpensive but desirable method.  The lawn is St. Augustine grass.  Do you have any suggestions & possible photos?  Your help with be truly appreciated.

thank you

gmcc
About how far is it down to your lake?

The first thing that comes to mind is flagstone. Inset flagstone into the soil to just above soil level. Allow the St Augustine to grow around it and in between.

With that method, all you're paying for is the flagstone itself. No mortar, no machines or special tools, no cement mixing.

Another way would be to use decomposed granite. It can be used by itself so it holds the same advantages mentioned above. 

 
Is blue daze a perennial?

I added blue phlox and vinca minor for blue color in the yard. Also, I have a variety of Mexican petunia that is violet and close to blue.

For the hydrangea, I use coffee grounds to provide acidicity to change color.

 
Is blue daze a perennial?

I added blue phlox and vinca minor for blue color in the yard. Also, I have a variety of Mexican petunia that is violet and close to blue.

For the hydrangea, I use coffee grounds to provide acidicity to change color.

No, unfortunately it's not. It cannot withstand our winters here. They are truly tropical in nature.

The phlox is nice but the blooming doesn't last long. Mine are already seeding out. Vinca minor is more of a ground cover, but yes, it does feature blue blooms.

My feature was more or less for seasonal color flowers.

Coffee grounds have a lot of uses in the landscape. I save mine and just throw it out in the lawn. With our high pH soil, my st Aug appreciates the acid.

 
what do you recommend to apply to a lawn to kill the grub worms?

On the retail side, I'd go with Grub-Ex by Scotts or comparable from Ortho. But I would do two treatments with those products, two weeks apart.

FYI, there are 24-hr kills and three-month kills. The 24-hr kill is for a known infestation. You'll want the three-month kill.

We use a product called Arena which will kill grubs and has an 8-month residual, meaning it will also kill the chinch bugs when they show up in late August.

 
Should I treat my Bermuda lawn for grub worms? I know I have them...saw them while digging out a tree stump this past weekend.

 
Should I treat my Bermuda lawn for grub worms? I know I have them...saw them while digging out a tree stump this past weekend.

Well, it's never a matter of whether or not you have them. You will always have them. It's inevitable and there's nothing we can do to stop their presence.

The key is staying abreast of their cycle. In most years, they will start feeding in late June. This year, they've just recently begun feeding in many areas in DFW I've seen.

To know what's going on, you can sink a shovel into the ground. When you pull out the hunk of clay, you'll see grubs in the clay. What you're looking for is how deep are the grubs located? If they are at 3 to 4 inches depth, then they're feeding. That's what I've observed recently. Normally they're at 5 inches right now after going as deep as 6 inches during the winter months.

We're starting our grub treatments early this year, like next week in Austin and DFW. However, the product I use has an 8-month residual. So I don't worry that grubs will strike late, either, despite the early application.

Don't forget about the chinch bugs in late August.

 
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My family forgot to water my plants daily when I was travelling.  Are my plants dead?  They look very light green in color and dry.

Can I salvage these plants?

 
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My family forgot to water my plants daily when I was travelling.  Are my plants dead?  They look very light green in color and dry.

Can I salvage these plants?

Yes, you can. But you need to water them daily (unless it rains) until they get strong again. They should be getting ready to set their fruit (tomatoes) so they need to play catch up until they do and hopefully before the heat of summer sets in.

I would also incorporate some MiracleGro in there to green them back up. Do not fertilize as they are in a weak state and wouldn't survive it.

I'll be starting a new Landscape Thread in a week or so where I'm going to ask everyone to post their pictures of their back yard gardens.

 
BTW, for folks who live in Italy, Godley and Grandview - you're getting a new Wal Mart Express (whatever that is) in the near future. I received invitations to bid on those projects today.

 
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