About nitro-green

Brad and Robie Culver started Nitro Green in 1984, offering fertilizing, weed control, and aeration for lawns. They have added services to their lawn business to include pest control, tree service, lawn renovation, and noxious weed control. In recent years, the business has grown to include a Christmas Décor Franchise (lighting and decorating for both residential and commercial holiday displays) and agricultural product sales, including liquid cattle supplement and Crystalyx.

The Culvers are joined in the management of their business enterprises by their sons, Cleve and Clint Culver. The firm employs seasonal and year round technicians who are well trained in their fields of work. When asked what makes their business successful, Brad says there are two things: “1) good relationships with customers that help us retain them as repeat customers; and 2) staying on the cutting edge of the technology, methods, and techniques that deliver excellent products and service."


We at Nitro-Green have an important responsibility as applicators of pesticides. Our policy is to apply those products only where and when needed. Education on proper cultural practices such as mowing, watering, and fertilization results in a reduced need for these products. The ability to reduce the use of pesticides and maintain the beauty and function of landscapes is a team effort between the property owner and the Nitro-Green professional.


Brad Culver
• Owner

Clint Culver
• Co-Owner
• Operations Manager

Cleve Culver
• Co-Owner
• Weed Dept. Manager
• Feed Sales Manager

Steve Cramer
• Office Manager

Laurie Warwick
• Office Assistant

Belinda Romero
• Office Assistant

Jon Higgins
• ISA Certified Arborist (RM-7911A)
• Tree Dept. Sales
• Christmas Décor Sales

Richard Garber
• ISA Certified Arborist (RM-7863A)

Adam Sprankle
• Weed Dept. Supervisor
• Christmas Décor Installation Specialist

from our clients


"Nancy came up to Brad at a Home Town Helena meeting to thank all the guys doing snow removal at their house while they were gone this winter. She said that theirs was the only driveway on that narrow street and many of their neighbors used it to turn around. The neighbors said you guys were great and did an awesome job of keeping snow plowed."




Positions open in:
- Aeration
- Mowing
- Pest control
- Tree care

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