Greenhouse, Nursery & Garden Centers

  • rows of plants

Science-base Solutions

Helping green industry businesses overcome challenges so that they stay successful and profitable. Main focus areas include plant nutrition and irrigation, water quality, greenhouse environment (light, temperature, carbon dioxide, humidity), pollinator health, economics and marketing strategies for ornamental and edible crops.


What do you do when you encounter a plant problem such as disease or abnormal growth in the landscape? You or a client may find a problem occurring w... Learn More
Extension offers several summer meetings for farmers
UNH Extension’s Twilight Meetings provide space for farmers and people interested in learning more about farming to gather in person or virtually to l... Learn More
The Food & Agriculture Team is pleased to announce that Amy Papineau has joined the Production Agriculture Team as a Greenhouse and Landscape Field Sp... Learn More


Two major considerations for production of plants in containers, pots, flats, etc. are the potting soil and fertilizer to be used. This fact sheet wi... Learn More


Cut branch crops are shrubs from which branches are harvested for their unique shape, color, flowers or f... Learn More
Fertilizing too much or too little are the most common nutritional problems in greenhouse production.

Fertilizer injectors are used for... Learn More
These webinars were recorded in the summer of 2020 and are available for viewing here.  You can not receive pesticide recertification credit for watch... Learn More
To get all of these calculators in a mobile format, click here.

Sometimes mixing water-soluble fertilizer can be tricky.​ The f... Learn More
To get all of these calculators in a mobile format, click here.

Sometimes calculating injector ratios, electrical conductivity ... Learn More