Know your zone
Your lawn hasa zone.
Growing Zone Club turns your hardiness zone into a useful identity system: seed guidance, seasonal calendars, wildflower choices, and club goods that match where your grass actually grows.
10 USDA zones
Cold belt through transition edge.
Seed-first guidance
KBG, TTTF, fescue, blends.
Club goods
Zone identity in olive on cream.
The zone atlas
Winter lows tell the truth.
Start with your coldest nights, then work into grass species, calendar timing, and club goods by zone. The directory is built north to south.
What this is
A field guide that turns into a club.
Built by Premium Grass Seeds, Growing Zone Club gives every cool-season hardiness zone a practical zone guide: seed choices, seasonal timing, wildflowers, common problems, and a little club identity for people who take grass seriously.
01
Find the winter low that matches your yard.
02
Use the zone plan for grass, frost, and overseeding.
03
Represent your zone with quiet club goods.
Open a zone
Choose by climate, not by vibes.
-40F to -35F
Zone 3a Club
Pure cold-hardy lawn strategy for the upper Midwest and northern Plains.
-15F to -10F
Zone 5b Club
The northern edge of the transition zone — KBG still rules but tall fescue earns its spot.
-5F to 0F
Zone 6b Club
Transition zone strategy. Cool-season grass that handles real heat — and doesn't apologize for it.
5F to 10F
Zone 7b Club
The cool-season frontier — TTTF survives, but warm-season grasses creep in. Pick your team and commit.
The Hero Plant Series
One plant per zone, drawn like a field specimen.
The shop is not random merch. It is the club uniform: dominant grasses, local zones, heavyweight cotton, and the same olive ink system used across the guides.
Special Edition · Limited Drop
Colorado Springs, in deep olive.
A manicured cool-season lawn, Garden of the Gods red rock, and Pikes Peak in the backdrop. Pressed into deep olive ink on an ivory Comfort Colors tee — a special Growing Zone Club drop for Zone 6a lawn people on the Front Range.
