lawn tips

April Lawn & Landscape Tips

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April may be my favorite month in the landscape.  (I say that about a lot of months!)  April is the month the landscape finally comes all the way alive.  Cool season lawns are stunning and warm season lawns are turning greener every day.  By the end of the month, everything will be green!

April is the month that so many perennials, shrubs and trees add splashes of colors to the landscape.  Everyday, I notice something new bursting to life.

April is also a critical month for lawn and landscape activities.  It is a transition month between cool weather and warm weather and so many important tasks need our attention.

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Turf Fertilizer – Bermuda and Fescue lawns both need a good feeding between mid-March and the end of April.  If you subscribe to the full 7-step Hall | Stewart program, you will receive an application of fertilizer during this window of time.  If you subscribe to our 4-step weed control only program, it is time for you to fertilize.  Look for a fertilizer with 25-30% nitrogen and a small amount of phosphorus and potassium. 

Turf Weed Control – Application #2 not only focuses on feeding the lawn, but it also contains post-emergent weed control.  Our goal on Fescue is to clean out the broadleaf weeds and slow the development of Bermuda.  For Bermuda lawns, we want to suppress broadleaf weeds and get control of some grassy weeds.  But, while Bermuda is coming out of dormancy we have to be careful with herbicide applications.  We are limited in what we can do without damaging Bermuda.  Good turf development now is the key to a healthy lawn all summer and we don’t want to cause any harm while warm season turf is coming out of dormancy. 

Our promise to you is to take all the steps we can to remedy weed issues in a way that is safe for your lawn and the environment.

Our request is that you always let us know how your lawn is doing 10-14 days after an application. If the lawn needs to be retreated, results will be better if it occurs within 2-3 weeks of the initial application.

Irrigation – As the weather warms in April, your lawn and landscape will start needing more water.  This is the month you need start watering on a regular basis, if we are not getting sufficient rainfall.  Remember to follow the odd/even watering restrictions.  If you have a rain sensor, it will interrupt the cycle when we receive rain.  If you don’t, please remember to turn your system off when we get a good rainfall. 

If you don’t have a rain sensor, consider having one installed.  A sensor will pay for itself in water savings very quickly.

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Rain Bird Rain Sensor — they claim it will save 35% on your water bill!

Lawn Maintenance – If you have a Fescue lawn, April is the month that you will need to start mowing regularly. Remember the rule of 1/3 – never cut more than 1/3 of the turf off in a single mowing. Anytime you cut more than 1/3 of the leaf blade off you are keeping your lawn from looking its absolute best. Start mowing the Fescue taller in April. It needs to have as much leaf space as possible going into the summer months.

If you have a warm season lawn, you should have already cut the lawn short for the spring and can expect to cut the lawn every 10-14 days this month. Try to keep your Bermuda lawns cut short early in the season. You need to be in a position to gradually increase the mowing height later in the season.

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Seasonal Color – We all have the tendency to get a little antsy and want to plant annuals a little too early.  Who can blame you?  With all the colorful plants already in the garden centers, it is really hard to resist.  But, wait until after the danger of the last frost passes in mid-April.  Start with annuals that tolerate a few cool nights, such as begonia and impatient — wait until May to plant heat loving annuals, such as periwinkle, lantana, penta.   If you planted pansies last fall, they have come alive the past few weeks and will bridge the gap until time to plant.

April may be my favorite month in the landscape.  (I say that about a lot of months!)  April is the month the landscape finally comes all the way alive.  Cool season lawns are stunning and warm season lawns are turning greener every day.  By the end of the month, everything will be green!

April is the month that so many perennials, shrubs and trees add splashes of colors to the landscape.  Everyday, I notice something new bursting to life.

April is also a critical month for lawn and landscape activities.  It is a transition month between cool weather and warm weather and so many important tasks need our attention.

Turf Fertilizer – Bermuda and Fescue lawns both need a good feeding between mid-March and the end of April.  If you subscribe to the full 7-step Hall | Stewart program, you will receive an application of fertilizer during this window of time.  If you subscribe to our 4-step weed control only program, it is time for you to fertilize.  Look for a fertilizer with 25-30% nitrogen and a small amount of phosphorus and potassium. 

Turf Weed Control – Application #2 not only focuses on feeding the lawn, but it also contains post-emergent weed control.  Our goal on Fescue is to clean out the broadleaf weeds and slow the development of Bermuda.  For Bermuda lawns, we want to suppress broadleaf weeds and get control of some grassy weeds.  But, while Bermuda is coming out of dormancy we have to be careful with herbicide applications.  We are limited in what we can do without damaging Bermuda.  Good turf development now is the key to a healthy lawn all summer and we don’t want to cause any harm while warm season turf is coming out of dormancy. 

Our promise to you is to take all the steps we can to remedy weed issues in a way that is safe for your lawn and the environment. 

Our request is that you always let us know how your lawn is doing 10-14 days after an application.  If the lawn needs to be retreated, results will be better if it occurs within 2-3 weeks of the initial application.

Irrigation – As the weather warms in April, your lawn and landscape will start needing more water.  This is the month you need start watering on a regular basis, if we are not getting sufficient rainfall.  Remember to follow the odd/even watering restrictions.  If you have a rain sensor, it will interrupt the cycle when we receive rain.  If you don’t, please remember to turn your system off when we get a good rainfall. 

If you don’t have a rain sensor, consider having one installed.  A sensor will pay for itself in water savings very quickly.

Rain Bird Rain Sensor — they claim it will save 35% on your water bill!

Lawn Maintenance – If you have a Fescue lawn, April is the month that you will need to start mowing regularly.  Remember the rule of 1/3 – never cut more than 1/3 of the turf off in a single mowing. Anytime you cut more than 1/3 of the leaf blade off you are keeping your lawn from looking its absolute best. Start mowing the Fescue taller in April. It needs to have as much leaf space as possible going into the summer months. 

If you have a warm season lawn, you should have already cut the lawn short for the spring and can expect to cut the lawn every 10-14 days this month.  Try to keep your Bermuda lawns cut short early in the season.  You need to be in a position to gradually increase the mowing height later in the season.

Seasonal Color – We all have the tendency to get a little antsy and want to plant annuals a little too early.  Who can blame you?  With all the colorful plants already in the garden centers, it is really hard to resist.  But, wait until after the danger of the last frost passes in mid-April.  Start with annuals that tolerate a few cool nights, such as begonia and impatient — wait until May to plant heat loving annuals, such as periwinkle, lantana, penta.   If you planted pansies last fall, they have come alive the past few weeks and will bridge the gap until time to plant.

We look forward to every opportunity to visit about your lawn and landscape!

If you have any questions, please send us an email or call (405)367-3873.

Lorne Hal

March Lawn & Landscape Tips

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The below average temperatures have me longing for spring!

Our current early March cold snap is sure to slow the arrival of spring.  Usually by now you can expect to see a few shrubs, bulbs and trees to start bursting with color, but this year we are going to have to wait a few more days, maybe weeks, for the first signs of spring. 

Even though there is a delay, it is time to get up to speed with your March lawn and landscape activities.

Spring Lawn Maintenance – If you have not cut your lawn for the first time, please do so at soon as the weather starts to warm.  It is much easier to remove the winter damaged leaf blades before the turf begins to green-up.  Remember, scalping on the lowest setting isn’t required and actually isn’t recommended.  Simply mow the lawn at the height you plan to start the mowing season.  For most Bermuda lawns, the second setting is recommended.  For fescue, start on the second or third notch on your mower.  Many still inquire about dethatching at this time of year.  Dethatching is the removal of excessive thatch that builds up on the soil surface by using a vertical power rake.  But, unless you have a thick layer of ½-1” or more of thatch, dethatching causes more damage to the crown of the plants than it does good.  So, with only a few exceptions, the best method for reducing thatch is an initial spring lawn maintenance followed by aeration after spring green-up.

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Fescue lawn one day after Spring Lawn Maintenance

Lawn Maintenance – If you have a fescue lawn as soon as we string together a few 60+ degree days it will be time to start mowing on a regular basis.  Start your cool season lawn off right by maintaining it at 2 ½ - 3”.  Mow frequently enough that you are never removing more than 1/3 of the leaf blade per cutting.  So, if you plan on maintaining a 3” level, don’t allow the lawn to grow past 4.5” without giving it a trim.  If you have warm season turf, Bermuda or zoyia, you can put off regularly scheduled lawn mowing until April.

Lawn Weed Control – If you have not applied a spring pre-emergent to your lawn yet, do so immediately.  Summer annual weeds begin germinating when soil temperatures consistently reach 55 degrees.  On the average, this occurs by mid-March in central Oklahoma.  But, often weed germination will occur before around concrete edges and next to structures where the soil warms sooner.  So, for the best control, don’t procrastinate.  Always follow instructions.  Watering in the product within a few days is best as the herbicide needs to move into the top ½” of soil to be effective.

Bed Weed Control – March is an excellent month to apply a plant safe pre-emergent to your landscape plantings.  Use caution in selecting the product to make sure it is safe for your plants.  When possible, select a granular pre-emergent mixed with a fertilizer containing approximately 20% nitrogen. Doing so will give your plants a good spring feeding while preventing weeds at the same time.

Lawn Fertilization – This month is a good time to start fertilizing your cool season lawns.  Use a fertilizer with 25-30% nitrogen.  Cool season lawns need to be feed more in the spring and fall when they are actively growing, and less in the summer.  If you have a warm season lawn, timing the first fertilizer application with spring green-up in March to early April is best. 

Mulch – Spring is a great time to mulch your landscape plantings.  Maintaining a 2” layer of organic mulch will reduce weed population, retain soil moisture, and provide a more consistent soil temperature for plant roots.  I find adding mulch an easier task in the spring when I am cleaning my landscape plantings for the first time.

Irrigation – Start monitoring your landscape moisture weekly.  Anytime we have received less than ½-1” of rainfall in the previous 7 days, run your irrigation through a cycle or string out the water hoses.  Dormant lawns don’t require as much moisture, but they shouldn’t be left dry either.  For the best spring color, do not allow plants to become too dry when they are putting on buds.  As for your evergreen plant materials, a late spring cold spell could cause damage if your landscape is allowed to remain dry.  It is too early to leave your system on automatic and forget about it.  Monitoring and watering as needed is the best practice for March.

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Flowering Quince will be one of the first shrubs to announce the arrival of spring later this month


Spring Seasonal Color – Bedding plants will begin arriving in garden centers this month.  Resist the temptation to plant summer annuals too early. If you do, there is a good chance you will be replacing them. Later this month will be a good time to plant annuals that enjoy early summer – impatient, begonia, geranium, etc.  Avoid planting lantana, penta, periwinkle, etc. until late April or early May as they need much warmer soil temperatures to flourish.  Remember, most plants will do much better in well drained, organic soil.  So, add compost when planting.  A good way to avoid the temptation to plant too early is to plant pansies and bulbs in the fall. 

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Creeping phlox puts on a brilliant show in March

Seeding Fescue – March is the second best time to overseed fescue. But, it is a very distant second to seeding in the fall.  Spring seeded fescue will come up very well and look very good till the summer heat arrives - then it fades quickly.  Fescue, being a cool season grass, will not establish a sustainable root system when planted in the spring.  So, if you have bare areas in your turf that need to be addressed now, go ahead and seed this month and make plans to redo it in the fall.  Do not apply a pre-emergent this spring if you are going to seed as it will prevent the fescue from germinating.  Whenever possible wait until fall to seed.  Fall seeding allows you to focus on weed prevention and turf development in the spring and turf establishment in the fall when it is best.

Pruning – Early March is the time to do heavy pruning on your roses just before growth begins. Early March is also the best time to make major reduction in the size of hollies.  Before spring growth arrives, you can successfully remove all the foliage taking the holly back to the central leader if needed.

Wow!  There are a lot to tackle in your landscape during March.

If you need help with any of your lawn and landscape task, or just have a few questions, please don’t hesitate to give Hall|Stewart Lawn + Landscape a call at (405)367-3873.

Lorne Hall