The benefits of juniper shrubs come down to four things you can count on. You get year-round color from green or blue foliage. The plant is tough enough to shrug off heat and drought. It gives you strong erosion control on slopes and real wildlife value for birds and deer. Few shrubs give you all of that at once. Almost none ask for so little in return.
My west-facing front slope by the gravel driveway used to shed dirt after every storm. The bare soil ran in muddy ribbons across the gravel. Seed and mulch washed off faster than I could replace them. So I planted a row of Blue Rug Wiltonii along the bank. Within two seasons the roots and trailing stems knit the whole slope into a stable green mat. The runoff stopped. The soil stayed put.
That slope showed me why a juniper makes such a strong erosion control plant. Spreading types send out a dense web of roots that grip loose soil, while the low canopy breaks the force of rain before it hits the ground. The USDA calls creeping juniper one of the finest plants there is for preventing soil erosion. On a raw bank where grass struggles, that grip is worth more than any fertilizer.
Toughness is the next payoff, and it is a big one. Junipers handle drought, poor rocky soil, road salt, and full sun without complaint. Once the roots take hold, most types need no watering at all in a normal year. You skip the fussing that other evergreens demand. The plant still looks sharp through summer heat and winter cold. Mine sat through a three-week dry spell last August with no water and never dropped a needle. That is the kind of plant you can plant and walk away from.
- Color: Evergreen foliage in green, blue, or gold holds its look in every season, including the dead of winter.
- Erosion: Dense roots and trailing stems lock down slopes and banks where grass and bare soil wash away.
- Toughness: Junipers take drought, heat, salt, and poor soil, so a mature plant rarely needs water or feeding.
- Wildlife: Berry-like cones feed birds and deer, and the thick growth gives small animals year-round shelter.
- Low upkeep means little pruning, almost no pests, and no yearly replanting once the shrubs settle in.
The juniper also earns its keep as a wildlife friendly shrub. The blue berry-like cones are a steady food source through fall and winter, and birds turn out to be the most important seed dispersers for the plant. The dense, low growth doubles as cover, giving sparrows and other small birds a safe place to nest and hide. Deer lean on it too. On some sampled ranges, mule deer winter diets reached up to about 53% juniper when other food ran short.
To capture these benefits, match the plant to the job. Use spreading or creeping types on banks and slopes where you want roots to hold the soil. Pick salt-tolerant varieties for coastal yards and roadside beds that catch winter road spray. A roadside salt zone kills many shrubs, but a juniper just keeps going. For an easy yard, group several junipers together in one bed. That builds a low-water, low-maintenance planting that fills space without a watering routine. Space them so the mature spread fills the gaps, and the bed needs almost nothing from you after the first year.
Put it all together and a juniper does the work of three or four other plants. It holds your soil, feeds your birds, and stays green while everything around it goes brown. For a tough spot you would rather forget about, it is hard to beat.
Read the full article: Juniper Shrub Guide: Care, Types, Uses
