How to Garden on a Ridge Top: Wind, Shelter and Water
To garden on a ridge top you have to plan around wind. University of Minnesota Extension says wind can dry plants out. Iowa State University Extension says windbreaks direct wind over or around the area behind them. Mulch then slows soil drying, so a ridge garden can still thrive.
The short answer
Put a windbreak on the windward side and plant on its downwind side. Iowa State says wind speed drops most near the windbreak and that gaps reduce its effect. Mulch the soil to slow evaporation. Raised beds dry faster on an open ridge, so water them more often.
Why is gardening on a ridge hard?
Open ground takes the full wind, which Minnesota says can dry out plants. It also says snow cover insulates plants from wind and cold. Read more in garden microclimates for cannabis.
How do windbreaks help a garden?
Iowa State says the amount of wind speed reduction depends on the height, density, width and shape of the windbreak. Height matters most, since a taller windbreak shelters a larger zone. Holes or gaps can speed wind up. Iowa State also notes that gardens on the downwind side of a windbreak may gain added benefits. Planning help is in planning an outdoor cannabis garden layout.
| Challenge | Effect | Fix |
|---|---|---|
| Wind | Dries plants | Windbreak on the windward side |
| Gaps in a windbreak | Faster wind | Fill holes |
| Bare soil | Evaporation and erosion | Organic mulch |
| Raised beds | Soil dries quickly | Water more often |
Sources: Iowa State, Minnesota and Wisconsin Extension.
Does mulch help on high ground?
Yes. Wisconsin Extension says mulch retains soil moisture by decreasing evaporation from the soil surface. It also reduces erosion and crusting since rain strikes the mulch rather than bare soil. Wisconsin notes that leaf mulch tends to blow away on windy days, so compost leaves first. More is in mulch for cannabis.
How to: step by step
- Note the main wind direction.
- Set a fence, hedge or screen on that side.
- Close any gaps in the screen.
- Plant on the downwind side.
- Mulch bare soil.
- Water deeply and check soil often.
Troubleshooting
Leaves dry and brown: wind pulls water from foliage. Add shelter on the windward side.
Soil dries fast: wind, sun. Mulch, then water more.
Mulch blows off: light leaves. Compost them first.
Kind Seed Co shares these garden notes for growers of all kinds. Soil building ideas are in soil amendments vs fertilizers.
Sources
- Farmstead windbreaks: planning (PM 1716), Iowa State University Extension
- Mulches for home gardens and plantings, University of Wisconsin Extension Horticulture
- Protecting trees and shrubs in winter, University of Minnesota Extension
- Raised bed gardens, University of Minnesota Extension
FAQ
How tall should a windbreak be?
Iowa State says height is the main factor in how far the sheltered zone reaches. The taller the windbreak, the larger the area behind it with slower wind.
Does a solid fence work as a windbreak?
Iowa State says very dense windbreaks cut wind most close behind them while moderately dense ones slow wind over a greater distance. It names 55 to 85 percent density as the most useful range.
Are raised beds good on a ridge?
They can work. Minnesota Extension says raised bed soil dries out more quickly than the rest of the yard. The taller the bed, the more often you need to water.
Should I enclose the whole garden?
Iowa State advises against fully enclosing a site since that cuts air flow during summer. Shelter the windward sides instead.
Does mulch help on a windy site?
Yes. Wisconsin Extension says mulch slows evaporation and reduces erosion. Avoid loose leaves since they blow away on windy days.
