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Factions are organized by USDA hardiness zone — the coldest winter temperature your ground survives. Your zone decides what you can grow, so your zone is your people. Find yours on the map.
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States are colored by their dominant zone on the 2023 USDA map — hover for that state's full range. Zones vary street by street; use the official USDA lookup below for your exact half-zone.
Nine factions cover the lower 48; the frontier zones hold Alaska's interior and the tropics.
-40°F to -30°F winter lows
Brutal winters, brilliant short summers — everything happens fast here.
~105–125 frost-free days
Home turf: AK
Founding seats open
-30°F to -20°F winter lows
Long snowy winters — hardy-perennial and season-extension country.
~120–140 frost-free days
Home turf: ME · VT · MT · ND · MN · SD · WY
Founding seats open
-20°F to -10°F winter lows
Classic cold four-season — reliable snow cover and a generous summer.
~140–160 frost-free days
Home turf: NH · WI · MI · NY · ID · IA · NE · CO
Founding seats open
-10°F to 0°F winter lows
The temperate sweet spot — deep-woodland medicinals meet orchard country.
~160–180 frost-free days
Home turf: WA · MA · OR · IL · IN · OH · PA · CT · NV · MO · KY · WV · UT · KS
Founding seats open
0°F to 10°F winter lows
Mild winters with long shoulders — fall planting comes into its own.
~180–210 frost-free days
Home turf: RI · NJ · VA · MD · DE · AR · TN · NC · NM · OK
Founding seats open
10°F to 20°F winter lows
Rare hard freezes — rosemary lives outside and the greens never stop.
~210–240 frost-free days
Home turf: SC · DC · AZ · MS · AL · GA · TX
Founding seats open
20°F to 30°F winter lows
Winter is the growing season; summer heat becomes the real challenge.
~240–300 frost-free days
Home turf: CA · LA · FL
1 member and growing
30°F to 40°F winter lows
Essentially frost-free — tropicals go in the ground, not in pots.
~300–365 frost-free days
Founding seats open
40°F to 50°F winter lows
True tropics — island and coastal climates that never see frost.
Year-round growing
Home turf: HI
Founding seats open
Every faction runs on three ranks
Members are the community · Generals organize it · one Leader stewards each zone's seat.
Zones 1–2 · Alaska's interior
Arctic interior — permafrost country where only the toughest natives survive. ~90–110 frost-free days.
Zones 12–13 · Hawai'i & Puerto Rico's warmest coasts
Equatorial warmth — Hawai'i and Puerto Rico's warmest lowlands.
Zones shift street by street with elevation and water. For your address's exact half-zone (like 6b or 7a), use the official USDA Plant Hardiness Zone Map.
Check Your Zone on USDA WebsiteSome plants, seeds, and trees are regulated or banned in certain states and localities. Sharing or trading a listed noxious or invasive species can carry fines, even between neighbors. Check your state's list before you post.