Hybrid bluegrass seed for sale

Best Spf 30 Heat Tolerant Hybrid Bluegrass of 2020 – Top Rated & Reviewed

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#1 Jonathan Green 10323 Black Beauty Ultra Mixture, 25-Pound

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#2 Jonathan Green 10315 Black Beauty Grass Seed Mix, 25-Pound

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#3 Espoma SS8 8-Quart Organic Seed Starter

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#4 Bulk Package of 30,000 Seeds, Texas/Oklahoma Wildflower Mixture (100% Pure Live Seed) Non-GMO Seeds by Seed Needs …

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#5 Scotts Turf Builder Grass Seed Southern Gold Mix For Tall Fescue Lawns – 20 lb., Thrives In Harsh Summer Conditions, Heat, Drought, Insect And Disease Resistant, Covers up to 5,000 sq. ft.

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#6 Outsidepride Aubrieta Royal Ground Cover Flower Seed Mix – 5000 Seeds

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#7 Outsidepride Periwinkle Ground Cover Plant Flower Seed Mix – 2000 Seeds

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#8 Burpee Wildflower Seed Mix for Pollinators

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#9 Outsidepride Ice Plant Ground Cover Flower Seed Mix – 5000 Seeds

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#10 Scotts 18196 Turf Builder Heat Tolerant Bluegrass Seed Mix Bag, 3-Pound (Older Model)

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We keep receiving tons of questions of readers who are going to buy these stuffs, eg:

  • What is the best Spf 30 Heat Tolerant Hybrid Bluegrass for 2019, for 2018 or even 2017 (old models)?
  • What is the best Spf 30 Heat Tolerant Hybrid Bluegrass to buy?
  • What is the best Spf 30 Heat Tolerant Hybrid Bluegrass to buy on the market?
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You could see the Top 10 Spf 30 Heat Tolerant Hybrid Bluegrass of 2019 above. The lists of best items are updated regularly, so you can be sure that the information provided is up-to-date.

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Can You Cure Your Lawn Woes by Singin’ the Hybrid Blues?

There are some new grasses on the market that warrant attention in Virginia. One of those grasses is hybrid bluegrass, a cross between our long-time standard Kentucky bluegrass with Texas bluegrass. The result of this cross is touted to be a seeded turf with the great looks and recuperative potential of Kentucky bluegrass and the added heat and drought tolerance of Texas bluegrass. So what is the take of Virginia Tech’s Turfgrass Team on hybrid bluegrass to date? We believe this grass certainly has merit, but most cultivars still have not been around long enough in our field research trials to be added to our “promising” or “recommended” cultivar list.

Some early observations of hybrid bluegrass.

  1. Hybrid bluegrasses germinate from seed slightly faster than Kentucky bluegrass, but the differences in overall establishment rate have not been significant. Hybrid bluegrass germinates and establishes slower than tall fescue.
  2. These grasses survive prolonged heat and drought periods, but their performance has not been significantly different from most Kentucky bluegrasses or turf-type tall fescues to date. Hybrid bluegrasses enter dormancy in these stressful periods, a survival feature already well documented for Kentucky bluegrass. Don’t interpret hybrid bluegrass’ claims as being heat and drought tolerant to mean it maintains a lush green color throughout a prolonged dry period.
  3. Perhaps the most promising characteristics of hybrid bluegrass to date is its tolerance to one of the major summer diseases in Virginia’s lawns: Rhizoctonia blight (often referred to as “brown patch”). Research by Dr. Jeff Derr and Dr. Brandon Horvath at the Hampton Roads AREC is indicating hybrid blue has much lower brown patch pressure than tall fescue in the Tidewater climate.
  4. The other characteristic noted in our trials is that hybrid bluegrass really responds to nitrogen fertilization, similar to Kentucky bluegrass. Under low N fertility programs (say 0.5 to 1 lb N/1000 sq ft/yr), this grass has a tendency to develop diseases noted for their occurrence in low fertility situations: leaf rust, dollar spot, pink patch, and red thread. It appears that in order to maintain the best quality hybrid bluegrass turf possible, it is going to require 3-4 lbs N/1000 sq ft/yr, with 75% of the seasonal N being applied in the recommended September to November period.
  5. Spring greening and regrowth is still very slow (similar to Kentucky bluegrass) as compared to tall fescue and perennial ryegrass.

What about the commercially available mixtures of hybrid bluegrasses and tall fescues? Tall fescue continues to be the best adapted cool-season turfgrass for most of Virginia because of its tolerance to heat and drought stress primarily because of its deep root system. It is only logical that two grasses touting heat and drought tolerance would be combined as a seed mixture for Virginia’s lawns. However, there are not a lot of university research trials to date to document the success and/or failure of these mixtures. The best we can do is to hypothesize what these combinations might provide if the mixtures perform up to expectations:

  1. Hybrid blue/tall fescue combinations seem reasonable based on expectations in turf quality. Most hybrid bluegrasses currently on the market have a slightly wider leaf blade than Kentucky bluegrass and are very similar in appearance to the turf-type tall fescues. The clumping problems associated with mixtures of Kentucky bluegrass and older, forage-variety tall fescues in years past are not likely an issue with this new combination.
  2. Hybrid bluegrasses possess a strong creeping growth habit due to rhizomes (underground stems). This creeping growth potential is something that most tall fescues do not possess. This should further improve turf density and provide for recuperative potential if a turf stand is damaged.
  3. The brown patch tolerance will likely improve turf quality during periods when disease pressure is high, possibly reducing the need for fungicide applications.
  4. The tall fescue component in the mix will enhance spring greening and regrowth.

At this time, it seems probable that the hybrid bluegrasses are viable alternatives and/or partners to turf-type tall fescue for much of the Tidewater and Piedmont regions. For the Valley and Ridge, hybrid blues have really not distinguished themselves from other cool-season grasses, likely because of the cooler climate that is conducive to most all cool-season grasses. The ideal time to establish any cool-season turf (including hybrid bluegrass) continues to be in late summer and early fall. Though most hybrid bluegrass seed is sold in the busy spring planting season, successful establishments are much harder to achieve from spring plantings. Virginia Tech researchers will continue to evaluate the latest offerings in turfgrasses to hit the store shelves and keep you abreast of our findings as the data become available.

“Texas bluegrass was crossed with Kentucky bluegrass to produce a F1 hybrid. Two commercially available cultivars are ‘Thermal Blue’ and ‘Solar Green’. Scientifically, both should be written Poa arachnifera Torr. x Poa pratensis L.

“I have spoke with my colleagues in Alabama and South Carolina regarding ‘Thermal Blue’. Canopy density or turfgrass coverage seems to be a concern, especially within the first year of seeding. Rust disease has also been problematic on ‘Thermal Blue’ and may lead to canopy thinning during the summer heat stress periods. The canopy thinning is analogous to what is typically observed on tall fescue during the summer.

“Once climatic conditions change in the fall, the grass has rebounded. It may be advantageous to mix ‘Thermal Blue’ with tall fescue to overcome this issue. (Ed. note: ‘Thermal Blue’ is sold in the Atlanta area as a 10% mixture with tall fescue .)

“The consensus is that the color characteristics of ‘Thermal Blue’ are good and would be considered desirable. Lastly, this grass has shown yearly persistence in Alabama, but many of its habits are similar to those of tall fescue.

“Unfortunately, I have little information from Georgia but it is forthcoming. Georgia’s residents will have to be patient.”

Dr. Robert Walker at Auburn University says:

“I would like to put a more positive spin on ThermalBlue than what was given by Drs. Han and Waltz.

“I have evaluated ThermalBlue and DuraBlue hybrid bluegrasses at Auburn University for 3 years. My evaluations continue with the above two cultivars plus 2 additional lines.

“I and Dr. Jacob Dane have and continue to conduct research on water use of hybrid bluegrasses and tall fescue. In the initial study, Thermalblue and DuraBlue compared favorably with Southeast tall fescue in irrigation requirements.

“I am beginning my third year of ThermalBlue in my shaded ( 30 to 40% shade) back lawn. In previous years, tall fescue was a disaster. Surprisingly, these hybrid bluegrasses have pretty good shade tolerance.

“The hybrid bluegrasses have far superior turf quality when compared to Southeast tall fescue; better color, finer texture, and a good rhizome system. The rhizomes should fill in the holes when and where tall fescue declines.

“I certainly would recommend hybrid bluegrass/turf-type tall fescue mixtures in the Atlanta area. Mixtures of ThermalBlue and DuraBlue with GreenKeeper turf-type tall fescue have performed well at our Auburn turf unit.

“We are only in the initial stages of learning about hybrid bluegrasses in the Southeast, but I think these grasses have a lot to offer where tall fescue is being grown.

Homeowner comments about Thermal Blue bluegrass

See also a great installation commentary.

If you have further questions about the performance of ‘Thermal Blue’, the Scott’s customer service number is 1-888-270-3714

Tags For This Article: bluegrass

Kansas State University

Texas Bluegrass Hybrids

Kentucky bluegrass (Poa pratensis L.) (KBG) is a cool-season turfgrass species that is commonly used in lawns and golf courses in the U.S. Tall fescue (Festuca arundinacea Schreb.), another cool-season species, is also popular for use in lawns and is sometimes used in golf course roughs. In some areas of the U.S., these grasses are subjected to frequent drought which results in heat and drought stress symptoms and irrigation is required in order to maintain acceptable quality. Kentucky bluegrass commonly goes dormant during periods of high temperature and drought. Tall fescue has good drought avoidance because of its relatively deep rooting system but some turfgrass managers prefer the finer texture and recuperative capacity that KBG offers.

New hybrid bluegrasses (HBG), which are genetic crosses between KBG and native Texas bluegrass (Poa arachnifera Torr.), have the appearance of KBG but may be able to withstand higher temperatures and extended drought without going dormant. In warm climates such as the southern United States, HBG may stay green all year long. Furthermore, HBG may use less water than other cool-season species while maintaining their green color. This is especially important given the increasing competition for water and the rising costs of irrigation.

Photo above: After one month at high temperatures in a growth chamber, the hybrid bluegrass (Thermal Blue; top row) showed superior heat resistance to tall fescue (Dynasty; middle row) and Kentucky bluegrass (Apollo; bottom row).

Publications from research at K-State:

Magazine and Newsletter Articles:

Heat and drought performance of Texas bluegrass hybrid turf: Does this new turfgrass live up to the hype? 2008. Steve Keeley, Dale Bremer, and Kemin Su. USGA Green Section Record. November/December. 46(6): p. 21-14.

Comparison of performance of two hybrid bluegrasses with Kentucky bluegrass and tall fescue. 2006. Dale J. Bremer, Kemin Su, Steven J. Keeley, and Jack D. Fry. Golf Course Management 74 (12):78-82.

Texas bluegrass hybrids: The real deal for Kansas or is the jury still out? Dale Bremer. TurfNews, October, 2006.

Peer-Reviewed:
K-State Turfgrass Research Reports:

Su, K., D.J Bremer, S.J. Keeley, and J.D. Fry. 2007. Effects of High Temperature and Drought on a Hybrid Bluegrass Compared with Kentucky Bluegrass and Tall Fescue. K-State Turfgrass Research Report of Progress 981.

Su, K., D.J Bremer, S.J. Keeley, and J.D. Fry. 2007. Mowing Height and Drought Effects on a Texas Bluegrass Hybrid Compared with Kentucky Bluegrass. K-State Turfgrass Research Report of Progress 981.

Su, K., D.J Bremer, S.J. Keeley, and J.D. Fry. 2005. Comparison of the heat and drought tolerances of a Texas bluegrass hybrid compared with Kentucky bluegrass and tall fescue: A growth chamber study. K-State Turfgrass Research Report of Progress 946.

Posters:

High Temperature and Drought Effects of a Texas Bluegrass Hybrid Compared with Kentucky Bluegrass and Tall Fescue. Su, K., D.J Bremer, S.J. Keeley, and J.D. Fry. Presented at the ASA-CSSA-SSSJ meetings in Seattle, WA, Oct 31-Nov 4, 2004. Won 3rd place in Graduate Student Competition!

We Serve More Than Just Colorado

Low maintenance and tough enough to withstand extreme heat and freezing temperatures, this sod combines the heat and drought resistance and water savings of Texas Bluegrass with the known turf quality and density of Kentucky Bluegrass. VorTEX’s deep rhizomes and aggressive growth habit give it excellent sod strength, wear tolerance and recovery, making it ideal for home lawns to sports turf. Because it requires low inputs of both water and nitrogen, it’s a great choice for low maintenance areas. Its shade tolerance extends its use in all landscapes. It has a fine, rich dark green color.

Characteristics:

Premium quality turf with longer roots. Very adaptable multi-use cool season grass for all semi-arid regions (except extreme NE and NW North America) that can be used in a wide range of soil types/conditions. Weed, disease and insect resistant. Low transplant shock. Easy sod establishment except for the coldest months of December/January. Fine to medium texture. Retains green color with less water during hot summer months.

  • Studies indicate hybrids remain stress-free and green up to 30 days without water.
  • Some hybrids have been shown to remain green even after 14 days of continuous daily temperatures of 104° and nightly temperatures of 86° Fahrenheit.
  • Up to 30% water savings over fescue and bluegrass
  • Dry down period further encourages water savings
  • Out-performs tall fescue and bluegrass in non-irrigated and cool season climates

What is a Texas hybrid?

The Texas Bluegrass Hybrid was created from the crossing of the Texas Bluegrass (Poaarachnifera) with Kentucky Bluegrass (Poapratensis), creating the Texas Bluegrass Hybrid (aka Bluegrass Hybrid). One of the earlier and most familiar hybrids, it was originally introduced in the 90’s. Since then more hybrids have been come into mainstream use, some known by actual variety seed names and other proprietary types under unique, trademark names. Korby Sod, LLC is pleased to offer our exclusive new generation Texas Bluegrass Hybrids, VorTEX (100% Texas Bluegrass Hybrid) and TexSTAR (Specialty Texas Bluegrass Hybrid).

Reminder: Underground sprinkler system with auto control recommended for best results

SPF-30 Hybrid Kentucky Bluegrass Seed

SPF 30 Heat Tolerant Hybrid Bluegrass – Now Professional Turf managers can add genetic diversity with a high-performance Texas Bluegrass x Kentucky Bluegrass cross! Expanding the area of adaptation for bluegrasses, TX x KBG types have been successful farther south than traditional Kentucky bluegrasses, and are adding heat tolerance and summer performance to northern zone turf. SPF 30 produces a high percentage of living ground cover throughout the summer, recovers quickly from drought, and is resistant to brown patch. With its aggressive rhizomes, SPF 30 improves the ability of tall fescue turf to recover when combined in a mixture. SPF 30 is an elite and medium-bladed bluegrass for landscape contractors, sports turf managers, and golf course superintendents who are battling the stress of summer heat. SPF 30 (HB 128) is a sister to HB 129 TX x KBG.
Use SPF 30 hybrid bluegrass in Sod, Sports, Golf Roughs and Lawns, Use SPF 30 in blends with other bluegrasses, with perennial ryegrass, and in multi-species mixes at the rate of 10%-35% by weight to increase density, durability, and genetic diversity. Added to turf type tall fescue at the rate of 5-15%, SPF-30 will increase density, provide brown patch performance, and aid in drought stress recovery. SPF-30 has also demonstrated persistence in partial shade areas in warm-season regions where low light condition are not suitable for Bermudagrass.

Hybrid bluegrasses germinate from seed slightly faster than Kentucky bluegrass, but the differences in overall establishment rate have not been significant. Hybrid bluegrass germinates and establishes slower than tall fescue. Hybrid bluegrass survive prolonged heat and drought periods. Another noteworthy feature is the disease tolerance of hybrid bluegrass. SPF 30 has shown increased tolerance to many diseases compared to regular Kentucky bluegrass including Rhizoctonia blight.

Not only does SPF 30 stand up to moderate summer temperatures extremely well, it shows outstanding shade hardiness. Hybrid bluegrasses possess a strong creeping growth habit due to rhizomes (underground stems). This creeping growth potential is something that most tall fescues do not possess. This should further improve turf density and provide for recuperative potential if a turf stand is damaged.

With the combination of heat and drought tolerance, shade tolerance, quick establishment, and excellent disease resistance, this grass is one of the best on the market.

SPF 30 Grass Characteristics:

  • Increased shade tolerance
  • Increased wear tolerance
  • Allows sod to self-repair
  • Competitive nature reduces clumping and broadening of leaf blade width that occurs in other grasses with age
  • Ideal partner in mixes with turf type fescue
  • Aggressive growth habit
  • Optimum mowing height of 2 – 5 inches

Seeding Rate & Planting Time

  • New turf: 2 – 3 pounds per 1,000 square feet or 80 -120 lbs per acre
  • Overseeding: 1 – 1 1/2 pounds per 1,000 square feet or 40 – 60 lbs per acre for broadcast overseeding
  • Plant when soil temperature reaches 55 degrees in spring up until a minimum of 8 weeks before frost in fall

You may not know what it’s called, but if you’ve ever stepped barefoot on Kentucky bluegrass, you do know one thing: It’s the best there is. The grass grows dense, with thin, tall, upright blades that cushion your foot like a feather bed. But the grass has one major problem: It’s adapted to northern climes. It struggles in hot or dry places, and unlike some grasses, it doesn’t easily regenerate after a stretch of bad weather. Anyone who lives south of Tennessee has traditionally been stuck with something else.

The line of bluegrass demarcation has been moving farther south for the last 20 years—ever since James Read, a geneticist at Texas A&M, crossed Kentucky bluegrass with Texas bluegrass to create a hybrid called Reveille—but until the last resident of Florida no longer needs to plant a thick and prickly St. Augustine, there is work to be done.

Two new lawn-enhancing hybrids were recently introduced: SPF 30 and Thermal Blue. If you’re capable of making your own custom grass mix, SPF 30 is more often found as a stand-alone seed ($30 for five pounds). Thermal Blue shows up in products like Scotts’ new Turf Builder Heat-Tolerant Blue Mix ($30 for seven pounds), a blend of tall fescue and hybrid bluegrass. Just remember that even the best grass seed is wasted if it’s misapplied. First, buy a soil test at the hardware store to find out what your yard needs, and apply the appropriate starter fertilizer and nutrients. Keep the soil moist by watering gently, twice a day. And start early, as soon as the frost risk has passed. You may never wear shoes outside again.

The Seed Scientists

Good grass is no accident: Much of the grass seed you know is the result of genetic manipulation. After weighing various climate factors and geographic restrictions, scientists cross-pollinate existing strains of grass to create something hardier, softer, or greener. Or all three. Grasses with desirable qualities are planted. Then, just before they flower, they’re uprooted and replanted together, far from other flowering grasses. Wind blows pollen from one strain to receptors on the other, creating new gene combinations. After the hybrid grows for five to six weeks, scientists harvest the seed, plant it, and, because they’re never quite sure what they’ll get, spend a season or more evaluating it. They want gorgeous grass that produces lots of seed, but it’s hard to get both, says Stacy Bonos, a turfgrass breeder at Rutgers University, where 50,000 crossbred plots are under review. So scientists strive for a balance of the two. And they hope that when they find it, your dog is nowhere near.

Bluegrass

Poa pratensis L.

Kentucky bluegrass is frequently found in the wild, on mineral and humus-rich soils in both the northern and southern hemispheres. Fine-leaved varieties with excellent turf qualities have been selected. Kentucky bluegrass is a persistent species with strong rhizomes and erect leafy shoots. Growth starts early in the spring, and regrowth consists mainly of leafy material that can be mown easily, leaving a clean cut. Kentucky bluegrass tolerates hard wear and can regenerate itself even if the sward is badly damaged. Newer varieties tend to have a higher density than the old. The heat tolerance of Poa pratensis is good, which makes it a perfect partner in mixtures with tall fescue.
Establishment: 14 to 21 Days
Use alone or with ryegrass, tall or fine fescue for year-round quality and sod strength.

View or download the DLF Pickseed USA Kentucky Bluegrass Classification Guide

HERE.

Click Variety Name to Download the Tech Sheet:

Armada – America-type. Spring and fall growth, high density, shade tolerant, with quick germination, and excellent rhizome formation.
Blue Ghost – Secunda hybrid-type. Fast establishment, cool season growth, Stem Rust resistance, and drought tolerance. Substitute for Texas Bluegrass hybrid.
Fielder – Shamrock-type. Rapid establishment, excellent traffic tolerance, early spring green up, and superior summer performance.
Geisha – Aggressive-type. Very large seed, aggressive rhizomes, medium turf quality, texture, and density.
Geronimo – BVMG-type. Rapid establishment, medium green, strong wear, heat, and drought tolerance.

Heidi – Compact-type. Dark green color, superior turf quality and excellent wear tolerance.

Jackrabbit – Julia-type. Superb transition zone performance, quick establishment, dark color, strong wear tolerance.
Mercury – A-LIST! America-type. Aggressive, traffic and mow tolerance, early spring green up, and fine leaf texture.
Midnight – Midnight-type. Dark green color, Summer Patch resistance, heat tolerance, fine turf quality.
Rhythm – Midnight-type. Compact vigorous growth, summer performance, and low mow tolerance.
Sombrero – Aggressive-type. High density, traffic and drought tolerance combined with Snow Mold resistance.
Blue Velvet – Very dark green, dense, and fine leaved (Midnight-type), with exceptional turf quality.
Granite – Dark green, wear tolerant (Midnight-type), with excellent summer stress tolerance. Tolerates a low mowing height.
Quantum Leap – Very dark green color, high-density (Midnight-type), along with aggressive growth.

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