The Science of Mulching
Home + 208.286.6875 The Science of Mulching in an Arid Climate: Beyond Aesthetics In the arid environment of the Treasure Valley, applying organic mulch is one of the most beneficial, science-backed practices for tree health. However, improper application is simultaneously one of the leading causes of tree decline. When applied correctly (a 2 to 4-inch […]
Preventing Structural Failure from Heavy Snow
Home + 208.286.6875 Preventing Structural Failure from Heavy Winter Snow Loads Winter storms in the Treasure Valley, particularly those that drop heavy, wet snow across the Boise Foothills and Eagle, are notorious for devastating the urban canopy. Trees with structural defects are highly susceptible to catastrophic branch failure under the weight of accumulating snow and […]
Drought-Tolerant Tree Selection
Home + 208.286.6875 Drought-Tolerant Tree Selection for Idaho’s Zone 6b/7a Planting the right tree in the right place is the foundational rule of arboriculture. The Treasure Valley’s environment—featuring highly alkaline clay soils, hot, dry summers, and drying winter winds—demands species that are highly adaptable and drought-tolerant. While water-loving species like Willows or Cottonwoods thrive directly […]
Proper Pruning Timing
Home + 208.286.6875 Proper Pruning Timing for High Desert Deciduous Trees A common question among Treasure Valley homeowners is, “When is the right time to prune my trees?” While dead or hazardous branches should be removed immediately regardless of the season, structural pruning of deciduous trees should be reserved for late winter, while the tree […]
Borers and Cottony Maple Scale
Home + 208.286.6875 The Threat of Borers and Cottony Maple Scale While the Treasure Valley is sheltered from some national pests, our urban canopy faces distinct localized threats. Two of the most damaging are wood-boring insects and Cottony Maple Scale. Borers are opportunistic pests that target stressed or injured trees, particularly Birches and Ashes in […]
Fire Blight
Home + 208.286.6875 Fire Blight: Identifying and Managing Erwinia amylovora In the fruit-growing regions of Caldwell, Emmett, and older neighborhoods in Boise, Fire Blight is a devastating and highly contagious bacterial disease. Caused by the bacterium Erwinia amylovora, it primarily targets plants in the rose family, including apple, pear, crabapple, and hawthorn trees. The disease […]
Watering Science for the Arid Steppe Climate
Home + 208.286.6875 Watering Science for the Arid Steppe Climate of Ada and Canyon Counties Southwestern Idaho classifies as a semi-arid steppe climate, receiving only 10 to 12 inches of annual precipitation. Because traditional turf-centric irrigation systems are designed for shallow, frequent watering, they often fail to meet the biological needs of deep-rooted trees in […]
Winter Sunscald
Home + 208.286.6875 Winter Sunscald: Protecting Young Bark from Temperature Swings The Treasure Valley is known for its dramatic diurnal temperature swings—warm, sunny winter days followed by rapidly freezing nights. For young trees, especially those with thin, smooth bark like Honey Locusts, Lindens, and young Maples, these fluctuations can cause severe structural damage known as […]
Iron Chlorosis in Southwest Idaho
Home + 208.286.6875 Iron Chlorosis in Southwest Idaho: Understanding Alkaline Soils A common sight in Nampa, Caldwell, and across the Snake River Plain is trees displaying pale yellow leaves with starkly green veins. This condition, known as Iron Chlorosis, is a direct physiological response to the alkaline soils native to the Treasure Valley. Chlorophyll, the […]
Fall Tree Planting in the Treasure Valley
Home + 208.286.6875 Fall Tree Planting in the Treasure Valley: Timing and Soil Science When planting trees in the Treasure Valley, timing and soil composition dictate success. While spring is a popular time for gardening, the optimal window for planting deciduous trees in Ada and Canyon counties is mid-October through mid-November. Boise and Meridian reside […]