Mar 1, 2023 · How and to Use Lime Sulfur. Fungal disease spores can overwinter in cracks or fissures on plants or in soil and garden debris. For this reason, lime sulfur is used in high concentrates mixed with oil as a horticultural dormant spray. When to use lime sulfur this way is in late winter or early spring before the plant begins to leaf out.

Jan 9, 2025 · Discover the vital role of lime sulfur in maintaining healthy fruit trees with our comprehensive guide. Learn the best times to spray, from early spring to post-flowering, while managing pests like aphids and diseases such as powdery mildew.

Jan 23, 2020 · It’s an ideal winter clean up spray – spray in winter for prebloom powdery mildew control on apples, leaf curl control on peaches and nectarines, and control of scale on stone fruit trees. Spray roses after pruning to control powdery mildew and mites.

Jun 24, 2022 · The lime-sulfur spray works well on deciduous fruit trees to combat insects and fungus. When used as a winter wash or spring spray, lime sulfur is effective against scale, mildew, rust, twig borer, and spider mites.

With careful handling, lime sulfur controls or prevents powdery mildew, scab, anthracnose, peach leaf curl and other common fungal diseases on a host of ornamental and edible plants. As a pesticide, it eliminates scale insects, mites and thrips.

Oct 19, 2022 · With warnings like this, you may wonder, “Is lime sulfur safe?”. When used properly, lime sulfur is a safe and effective treatment of fungal diseases such as: Powdery mildew; Anthracnose; Black spot; Blights; Black rot; As a horticultural dormant spray, lime sulfur is safe to use even on fruits that include: Raspberries; Blackberries ...

Oct 21, 2012 · Lime-sulfur spray, or liquid calcium polysulfide, controls both insects and fungi on roses, fruit trees, berry plants and other ornamental and edible garden plants, reveals Garden Tools & Instruments.

Dormant Spray. Lime sulfur is often used as a dormant spray on fruit trees to control overwintering pests and diseases. Benefits 1. Broad-Spectrum Control. Lime sulfur’s ability to control a wide range of pests and diseases makes it a versatile tool in integrated pest management (IPM) programs. 2. Low Mammalian Toxicity

LIME SULFUR ULTRA is OMRI listed and does not require a closed system! With only 2-3 gallons per 100 gallons of water, LSU is highly effective against mites, aphids, scales and Mealybug, rust, Alternaria, PTB, Phomopsis, assorted cankers, powdery mildew and other labeled pests!

These horticultural oil sprays contain a high concentration of lime sulfur that is safe only for inactive plants because the sulfur can burn leaf tissue. Lime sulphur can also be mixed with water, at a much lower concentration, for use when plants have no leaves.