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Quick Stats
- Cool Season
- Partial Shade (4-6 hours)
- 3, 4, 5, 6, 7
- 7-14 days
- 8 lbs per 1,000 sq ft
- 3-4 inches
What's in the Bag
- Black Beauty Turf-Type Tall Fescueon seed tag
- Kentucky Bluegrasson seed tag
- Perennial Ryegrasson seed tag
Species verified from manufacturer and label sources. Exact percentages print on each lot’s seed tag rather than the listing.
Jonathan Green states an 80/10/10 tall fescue / Kentucky bluegrass / perennial ryegrass formula; exact percentages print on each lot's seed tag.
Pros & Cons
Pros
- Manufacturer-stated 80/10/10 by-weight formula
- Turf-type tall fescue core fits many cool-season renovation jobs
- Kentucky bluegrass and perennial ryegrass components add spreading potential and faster early cover
- Jonathan Green states a 7-14 day germination window
- Good source-backed identity and package evidence compared with anonymous mix bags
Cons
- Premium price — roughly 2-3x more than big-box seed
- Not a scatter-and-forget seed — needs proper soil prep for best results
- Tall fescue blades are wider than KBG — won't give you a putting-green texture
Best For
Lawn enthusiasts who want a premium cool-season tall-fescue-led blend with manufacturer-stated 80/10/10 composition and are willing to verify the current seed tag for cultivar details.
Yard-fit evidence
Why this seed made the shortlist
Start here if you are deciding whether this bag fits your lawn: the strongest source-backed facts, the practical meaning, and the checks that still belong on the current seed tag.
The brand states the mix and planting window.
Jonathan Green is the product source for the bag-level claims. The research layer keeps those claims attributed instead of turning them into Premium Grass Seeds test results.
- Jonathan Green states this as a 80% Turf-Type Tall Fescue / 10% Kentucky Bluegrass / 10% Perennial Ryegrass product.
- Jonathan Green lists a 7-14 day germination window under suitable conditions.
- Package or label evidence supports the general use positioning: partial shade, new lawn, overseeding.
The species logic is the real case for the pick.
Independent turf guidance is most useful here as species and mixture context. It helps explain the recommendation without pretending to certify a current retail lot.
- Extension context: The backbone of many tough cool-season lawns, with useful heat, traffic, and drought tolerance when the site fits.
- Extension context: Adds rhizome-based recovery potential, but usually asks for more maintenance and stronger site conditions than tall fescue.
- Extension context: Helps early green-up while the slower species establish. It should not be confused with the final mature stand percentage.
The current bag still has the final say.
Use this as the pre-buy sanity check. If cultivar identity, purity, weed seed, or local fit matter to the decision, verify the current tag before you plant.
- Cultivar names and whether they match any trial data you care about.
- Purity, weed seed, germination test date, and lot information.
- Current price, seller, bag size, and availability before checkout.
Seed mix fingerprint
One blend, three jobs.
Formula shown as manufacturer-stated by weight. Verify the current seed tag for lot-specific details.
Black Beauty Turf-Type Tall Fescue
Main body
The backbone of many tough cool-season lawns, with useful heat, traffic, and drought tolerance when the site fits.
Kentucky Bluegrass
Spread potential
Adds rhizome-based recovery potential, but usually asks for more maintenance and stronger site conditions than tall fescue.
Perennial Ryegrass
Quick cover
Helps early green-up while the slower species establish. It should not be confused with the final mature stand percentage.
Checked against the manufacturer's listing, the seed label, university extension guidance, and NTEP trials.
Jonathan Green Black Beauty Ultra is a smart pick when your lawn matches the species mix — just confirm the current bag before you plant.
View source notesDecision Notes
Opinion
My read: Jonathan Green Black Beauty Ultra belongs on the shortlist only when the lawn problem is specific. Lawn enthusiasts who want a premium cool-season tall-fescue-led blend with manufacturer-stated 80/10/10 composition and are willing to verify the current seed tag for cultivar details.
The case for it is Manufacturer-stated 80/10/10 by-weight formula. The part I would not wave away is premium price — roughly 2-3x more than big-box seed. I would rather buy a less glamorous seed or amendment that fits the site than force a premium product into the wrong soil, sun, or climate.
If you are comparing it with Pennington Smart Seed Sun & Shade, do not start with the rating. Start with your zone, sun, soil, irrigation, and patience. Pick Jonathan Green Black Beauty Ultra when those conditions match the notes below; otherwise the alternative may be the more honest buy.
Pick It Over
- Pick Jonathan Green Black Beauty Ultra over Pennington Smart Seed Sun & Shade when you need the new lawn use case and prefer its tradeoffs.
- Pick Jonathan Green Black Beauty Ultra over Pennington The Rebels Tall Fescue Mix when you need the new lawn use case and prefer its tradeoffs.
- Pick Jonathan Green Black Beauty Ultra over Scotts Turf Builder Rapid Grass Tall Fescue Mix when you need the new lawn use case and prefer its tradeoffs.
Skip If
- - Your summers are Gulf Coast hot and humid with full-sun bermuda pressure; cool-season seed will struggle long term.
- - You are outside USDA zones 3, 4, 5, 6, 7 or cannot match its partial shade requirement.
- - Premium price — roughly 2-3x more than big-box seed
- - Not a scatter-and-forget seed — needs proper soil prep for best results
Five-Year Cost
For a 5,000 sq ft lawn, budget about 4 bags across one establishment pass plus two light overseeds: $112-$420, or roughly $22-$84 per 1,000 sq ft before soil prep, fertilizer, or water.
Plant Instead If
If you are in the Gulf Coast, Florida, or full-sun North Texas heat, look at bermuda, zoysia, Bahia, or buffalograss instead of forcing cool-season turf.
Our Review
Jonathan Green Black Beauty Ultra is the premium cool-season blend I would start with when the lawn gets enough sun for tall fescue, the owner wants a darker look than commodity seed usually delivers, and the budget can handle a specialty bag. The current source pass supports the product identity, Jonathan Green's 80/10/10 by-weight formula, and the 7-14 day manufacturer germination window.
The species mix is the useful part. Tall fescue provides the bulk of the stand and is the species extension sources most often credit with better heat, traffic, and drought tolerance than many cool-season alternatives. Kentucky bluegrass can spread by rhizomes when conditions are right. Perennial ryegrass gives faster early cover while the slower species establish.
Keep the performance language attributed. Jonathan Green makes claims about waxy leaves, darker color, insect and disease tolerance, and deep roots, but the public package PDF is packaging evidence, not a current seed-analysis tag. Until the lot tag or cultivar list is attached, Black Beauty Ultra should be presented as a strong manufacturer-backed blend, not as a cultivar-by-cultivar NTEP-verified product.
Where to Buy
Available from this retailer:
Also check: SeedSuperStore, SeedWorld, Outside Pride for additional availability.
What the Community Says
Common perspectives from the lawn care community
“Put down Jonathan Green Black Beauty Ultra last fall and the difference from my old lawn is night and day. The color alone makes it worth the premium over big box store seed.”
“I have a lot of mature oaks and was skeptical anything would fill in under them. Jonathan Green proved me wrong. Not perfect, but way better than what I had before.”
“Germination was right on schedule and establishment was straightforward. Just follow Jonathan Green's rate recommendations and keep it moist — you'll be happy with the results.”
Representative of common community feedback based on product characteristics. Not direct quotes. Individual results may vary.
Seeding Calculator
Rate: 8 lbs per 1,000 sq ft
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