The crops range from small-scale operations yielding street profits of £2,500 to industrial conspiracies producing up to 100 plants.
Police warn the grows pose a high risk of electrical fires and urge residents to look out for the following signs that someone is growing cannabis:
- Bright lights on during the daytime
- Fans can be heard all throughout the day
- Strong smells of cannabis
- Blinds/curtains closed all day

5. North Wingfield
Ninety plants, cash and a vehicle were found at a property in North Wingfield on July 10. A man - seen running away from the scene - was arrested after being cornered by a police dog. Photo: Derbyshire Police

6. Rhodes Cottages, Clowne
This skip was loaded with equipment used at a grow on Rhodes Cottages in Clowne on June 11. Derbyshire Constabulary uncovered a crop inside the property after being contacted the fire service following reports of a potential fire. No fire was discovered however a 20-year-old man - Osman Alstafa, of no-fixed-abode - was arrested at the scene and was subsequently charged with production of cannabis. Photo: Derbyshire Police

7. Springfield Close, Eckington
Plants and "a large amount" of drying cropped weed with a street value of up to £2,400 were found during a drugs bust on November 16 last year. While £2,150 in cash was also found during the police search. Adam Garnett, 32, of Springfield Close, Eckington, admitted cannabis cultivation. He was handed a 12-month community order with 10 rehabilitation activity days and 120 hours unpaid work. The defendant was also made to pay £85 court costs and a £95 victim surcharge. The £2,150 in cash was confiscated. Photo: Derbyshire Police

8. Yarncliff Close, Chesterfield
Twenty-one plants worth just under £4,000 were found at the Chesterfield home of Adam Weaver on April 6, 2018. Weaver, 37, learned to grow the drug from seeds he bought online - selling it “by the ounce” to one buyer - by watching videos. The defendant, of Yarncliff Close, Chesterfield, admitted producing a quantity of cannabis, supplying cannabis and diverting electricity. He was jailed for 12 months suspended for 18 months with 30 rehabilitation activity days and handed 200 hours unpaid work. Photo: Derbyshire Police

