May Newsletter – The Brand


Too much humidity can allow mold spores and diseases to run rampant in your greenhouse; too little and the plants will die of thirst.

Do research ahead of time to group plants together with similar humidity needs. Grow them at the same time, or build more than one smaller greenhouse, if space permits. Misting is an excellent way to increase humidity- find out how much your plants need.


Even in the winter, your plants may need shade from the sun. The greenhouse cover increases the heat inside, so have a system to shade the plants when the sun glares.

Different shading materials are available at DIY stores and even directly from Amazon. You can pull them over the roof, have them mounted on a pulley system against the inside of the greenhouse ceiling, or have an electronic monitor and motor system automatically pull the shades for you according to the amount of UV sunlight. This system, of course, will be more expensive than the manual.


Without air circulation, the plants will succumb to disease and die. If the greenhouse has no vents, then on sunny days, even in the coldest winter, the heat will rise inside and could cook your plants.

Several manufacturers offer automatic greenhouse ventilation systems, both for AC power (hooked up to an outside outlet) or for battery or solar power. These save you from having to run outside, opening and closing windows all day.


During the night, the winter temperatures drop dramatically. Even in areas such as south Texas

and Florida, greenhouse heaters are needed when temperatures drop below freezing.

Do not use a regular house heater for your greenhouse. They are not made for a moist or outdoor environment. Only purchase a heater rated and designed for a greenhouse, and use an outdoor surge protector and outdoor-rated power cord.


Growing the right plants is as important as all the rest put together. Once you’ve looked at your “dream list” of plants, you’ll realize space is the issue for your plants.

If you regularly grow vine plants, such as tomatoes, squashes, pumpkins, cucumbers, etc., you’ll want to research and find varieties bred for container growing. Bush varieties of squash require no staking or vines.

Plants that are too tall may cause too much shading of other plants. They may come in contact with the greenhouse covering, encouraging disease, mold, and mildew growth.


For a greenhouse, filling containers with ordinary garden soil would be a disaster. Soil compacts, killing the roots. In large containers, the top part of the soil dries out while the bottom of the container becomes bogged with water. The containers become far too heavy to lift or move safely.

Use potting soils that have no garden soil in them. A common practice in hydroponic culture is to grow the plants in peat moss or coir (coconut fiber).


Study the fertilizer and feeding requirements of your plants before you begin. Plants may have different requirements than the standard “feeds-everything” fertilizer. Keep a supply on hand for all your plants.

Try grouping your plants according to fertilizer/water/shade needs, or use a marker system to tell you each plant’s requirements. For example, a plant may need more shade like it’s pretty neighbor, but its fertilizer requirement may be different. A marker, colored tag, or sticker tells you what your plant needs.

By studying ahead, your greenhouse growing season will be successful and tasty.


Shop Supervisor and Manager

Joe Lapp was born in Pennsylvania and moved out to the west with his parents when he was 9.  He has worked for MSC for the past 8 years, starting out as a framer and working his way up the ladder. 

He has served as the shop manager for the past 4 years providing all the designs for the sheds and buildings that come out of the Great Falls shop. He is in charge of every special order, stock build, color combination, problem, ideas for sales, shows, and a ton more we don’t even know.  Thank you, Joe, for all you do.  Joe has been married to Ashley and they enjoy 2 beautiful children.  His favorite part of working for MSC is the mission behind the company and working with all the great people every day.

This old boy Blaze is loving his MSC shelter.

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