Where can I grow hemp (CBD / photoperiod flower)?

1. 1

   🇺🇸Texas, United States

   Great fit on 179k sq mi463k km² · worth a try on 22k sq mi56k km²

   For example Pampa (100), Amarillo (100)

2. 2

   🇨🇳Xinjiang, China

   Great fit on 140k sq mi363k km² · mostly with irrigation

   For example Ürümqi (100), Shihezi (100)

3. 3

   🇦🇷Buenos Aires, Argentina

   Great fit on 118k sq mi305k km²

   For example Mar del Plata (100), Avellaneda (100)

4. 4

   🇺🇸California, United States

   Great fit on 103k sq mi268k km² · worth a try on 5,300 sq mi14k km² · mostly with irrigation

   For example San Rafael (100), El Cerrito (100)

5. 5

   🇧🇷Rio Grande do Sul, Brazil

   Great fit on 91k sq mi237k km² · worth a try on 21k sq mi55k km²

   For example Santa Vitória do Palmar (97), Jaguarão (94)

6. 6

   🇦🇺New South Wales, Australia

   Great fit on 81k sq mi209k km² · worth a try on 800 sq mi2,000 km²

   For example Batemans Bay (100), Goulburn (100)

7. 7

   🇵🇰Punjab, Pakistan

   Great fit on 72k sq mi188k km² · worth a try on 7,100 sq mi18k km² · mostly with irrigation

   For example Rawalpindi (97), Fatehjang (97)

8. 8

   🇨🇳Shandong, China

   Great fit on 70k sq mi180k km²

   For example Weifang (100), Jinan (100)

9. 9

   🇨🇳Hubei, China

   Great fit on 68k sq mi177k km² · worth a try on 300 sq mi700 km²

   For example Shiyan (94), Laohekou (94)

10. 10

    🇦🇺Victoria, Australia

    Great fit on 63k sq mi164k km² · worth a try on 2,100 sq mi5,500 km² · mostly with irrigation

    For example Balwyn North (100), Warragul (100)

11. 11

    🇿🇦Eastern Cape, South Africa

    Great fit on 63k sq mi162k km² · worth a try on 1,300 sq mi3,300 km²

    For example Humansdorp (97), Port Alfred (97)

12. 12

    🇺🇸Missouri, United States

    Great fit on 61k sq mi159k km²

    For example Kansas City (100), St. Louis (100)

13. 13

    🇦🇷Cordoba, Argentina

    Great fit on 54k sq mi139k km² · worth a try on 300 sq mi700 km²

    For example Laboulaye (97), Río Cuarto (94)

14. 14

    🇵🇰Balochistan, Pakistan

    Great fit on 51k sq mi132k km² · worth a try on 49k sq mi128k km² · mostly with irrigation

    For example Zhob (90), Quetta (86)

15. 15

    🇿🇦Western Cape, South Africa

    Great fit on 47k sq mi122k km² · mostly with irrigation

    For example Bredasdorp (100), Gansbaai (100)

Regions are states and provinces, counting land within 75 km of a town. At most three per country, so the list covers the world.

• 🇺🇸United States1.5M sq mi3.9M km² · 70% of its land
• 🇨🇳China998k sq mi2.6M km² · 46% of its land
• 🇮🇷Iran420k sq mi1.1M km² · 78% of its land
• 🇦🇷Argentina400k sq mi1.0M km² · 66% of its land
• 🇷🇺Russia349k sq mi903k km² · 18% of its land
• 🇹🇷Turkey247k sq mi639k km² · 76% of its land
• 🇺🇦Ukraine229k sq mi592k km² · 96% of its land
• 🇦🇺Australia203k sq mi525k km² · 65% of its land
• 🇪🇸Spain201k sq mi520k km² · 92% of its land
• 🇫🇷France194k sq mi503k km² · 86% of its land

1. 100%Ideal

   Fuxin

   🇨🇳 Liaoning, China

2. 100%Ideal

   Jinzhou

   🇨🇳 Liaoning, China

3. 100%Ideal

   Sanhe

   🇨🇳 Hebei, China

4. 100%Ideal

   Zagreb

   🇭🇷 Croatia

5. 100%Ideal

   Cleveland

   🇺🇸 Ohio, United States

6. 100%Ideal

   Tangshan

   🇨🇳 Hebei, China

7. 100%Ideal

   Lincoln

   🇺🇸 Nebraska, United States

8. 100%Ideal

   Pittsburgh

   🇺🇸 Pennsylvania, United States

9. 100%Ideal

   Detroit

   🇺🇸 Michigan, United States

10. 100%Ideal

    Changchun

    🇨🇳 Jilin, China

11. 100%Ideal

    Columbus

    🇺🇸 Ohio, United States

12. 100%Ideal

    Indianapolis

    🇺🇸 Indiana, United States

The most comfortable fits among the 2,000 biggest towns, two per region. Scores assume irrigation where rain falls short; Needs irrigation marks towns that need it.

Growing-season average

Ideal 64–82°FIdeal 18–28°CWon't grow below 57°F or above 91°FWon't grow below 14°C or above 33°C

Longest day

Ideal at least 14.5 hWon't grow below 13.5 h

Coldest growing-season night (monthly average)

Ideal at least 46°FIdeal at least 8°CWon't grow below 37°FWon't grow below 3°C

Growing-season rain

Ideal 12–26 inIdeal 300–650 mmWon't grow below 5.9 in or above 43 inWon't grow below 150 mm or above 1,100 mm

Grain and fibre cultivars bred at high latitudes flower too early under the short days of the tropics. Licensing rules vary by country. CBD / photoperiod flower: Short-day plants: long summer days keep them vegetative, shortening days trigger flowering. Wet, humid autumns cause bud rot.

Sources: Amaducci et al. 2015, Key cultivation techniques for hemp in Europe and China (Industrial Crops and Products); FAO ECOCROP: Cannabis sativa.

• Summer days too short53%
• Growing season too cool36%
• No month is both frost-safe and warm enough to sow11%

Share of the land scoring under 50, by what holds it back most.

• Cotton