A couple weeks ago I put out a post on overseeding and now that we’re through September it’s time to get the process started. Click here for the previous post on overseeding for full instructions. In today’s blog I wanted to pass along some of the most frequently asked questions during this time of the year.

When is the best time to start overseeding?
Ideally overseeding should be done when nighttime temperatures are consistently in the 60’s. Typically this will be the month of October. Obviously there will be some spikes and lower than normal temperatures during this period but anytime during October is good.

How low do I need to scalp the grass prior to seeding?
The height of the grass isn’t as important as opening the turf canopy. The shorter you mow the grass, the tighter the turf canopy will be which will result in the need to verticut more aggressively. I recommend not going lower than ½”. There is no need to take the lawn to the dirt or you will cause long term problems to the grass plant. Read the rest of this entry »

Cold temperatures have arrived in California and Arizona, and those of you with overseeded sod may begin to see your lawn go in a little shock. One of the things you will notice first is bermudagrass going dormant in the turf causing small quarter sized yellow spots in your lawn. This is nothing to be concerned about as today we will discuss getting those spots to fill in. If you didn’t overseed your lawn for the winter it’s most likely dormant at this point and you can sit back and let your lawn sleep for a few months.

I’m sure many of you have seen the small yellow spots over the years in your overseeded lawn. The question is what is causing it and what can you do about it? First, this isn’t something to be concerned about. It’s actually a sign that you had a very healthy lawn going into the overseed season. Since many people overseed in late September/early October you’re still fighting with warm season growth. By supplying water and fertilizer to overseed the bermudagrass continues to grow and has a tendency to out compete your newly seeded ryegrass. When you’re overseeded lawn first start growing it looks immaculate, but it’s good to remember some of this is bermudagrass. The bermudagrass/ryegrass combination looks incredible and when it’s growing in it can be tough to distinguish the two.

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The days are getting shorter and the heat is starting to die down a little as we enter the fall season. With fall comes the onset of overseeding in many parts of the country and the West Coast is no different. For those new to overseeding let me give you a brief definition. Overseeding is simply the process of seeding a cool season grass into your warm season turfgrass in order to maintain winter color. This is not a mandatory process if you have grass, but it is one of the options that are out there for homeowners and professionals.

There are a few options during the fall months to take care of your lawn, and without question the most popular is to overseed. Outside of overseeding you have the option of using turf colorant such as Endurant to give your dormant grass a nice green appearance.  Or you can just let your lawn go dormant for the winter months (brown can be the new green!). There is no right or wrong approach, so decide what you would like to do as the temperatures begin to drop over the coming weeks.

If you will be letting your lawn go dormant it will stay fairly green until the first hard frost which is around Thanksgiving and will start to green up in late March. If you have a paspalum lawn you can usually get through the month of December with a green lawn and it will start greening up in early March.

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We all know that transitioning from ryegrass back to a warm season grass is difficult (especially for California and Arizona sod), but throw in some cooler than normal weather and now you have a battle. Every year the producers of ryegrass seed seem to make their seed a little more heat resistant in search of that year round turf. The problem with this is that we’re shortening the growing window of our warm season turf. Not to mention that cool season grasses in the desert areas use much more water than the underlying warm season turf. The solution is to aide your lawn in transition, and to get your lawn free and clear of ryegrass in the next couple weeks.

Before I go into techniques to remove ryegrass I want to make a couple points about how the average lawn looks at this time of the year. We all love our winter lawn for its color, texture, and feel, but it’s important to remember that it puts agronomic stress on your lawn. When you have two different grasses competing for nutrients, water, and sunlight you’re bound to have an “ugly period.” The turf world refers to this as the transition period. This is the period of time when the cool season grass is starting to die off slowly and the warm season grass is trying to emerge. What creates the ugly period is the competition.

(BTW…this beautiful turfgrass is NOT going through an ugly stage!)

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We’re getting closer to the overseeding process! I am sure many of you reading my blog have started to see perennial ryegrass arriving in stores by the truck full, but we are still a little early. It isn’t too early to start some of the initial prep work, but it is still a little hot to drop seed. I realize that some of you won’t have a choice in the timing of overseeding, but if you do have a choice it is best to wait. Today’s blog is going to give you 10 easy steps on how to overseed and establish a great lawn for the winter. I have also attached a short video on doing so. http://www.youtube.com/ Read the rest of this entry »

We’re getting closer to the overseeding process! I am sure many of you reading my blog have started to see perennial ryegrass arriving in stores by the truck full, but we are still a little early. It isn’t too early to start some of the initial prep work, but it is still a little hot to drop seed. I realize that some of you won’t have a choice in the timing of overseeding, but if you do have a choice it is best to wait. Today’s blog is going to give you 10 easy steps on how to overseed and establish a great lawn for the winter. I have also attached a short video on doing so. www.youtube.com

Read the rest of this entry »

As we begin the month of November (and we are about 4-5 weeks into the overseed season) it’s time to make sure your lawn is ready for the winter.  Winterizing your lawn with overseeded turf is quite different than getting it ready to go dormant for the winter.  We have been blessed with some warm temperatures so far this fall keeping our non overseeded turf green, but as temperatures move into the 50’s at night you will start to see a sudden decline in non-overseeded turf growth. 

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About once a month it is always good to post some of the most frequently asked questions during that time period as well as some that I know many of you may have.

I overseeded too early and lost some of the seed to the heat, when do I know I need to reseed? Read the rest of this entry »

I had the chance last week to lie around the beaches of south Maui, and that gave me plenty of time to check out how great the paspalum looks on the lawn areas at the hotels and golf courses, come up with some new things to write about overseeding, and assess my horrible college football picks so far this season.  I know I have covered the basics of seeding and fertilizing, but since these steps are so vital to the success of a winter lawn I am going to tell you how to push the growth and fight off the loss of color when the frost hits.

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The weather is finally starting to cooperate, and we are in prime overseeding season from now till early November.  It appears that the night time temperatures will start to drop into the high 60’s by mid week and the day time temperatures will be in the high 80’s.  It has been a long hot summer (as they all are!), but this one seemed particularly brutal to me.  Read the rest of this entry »