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Bacterial Leaf Spot and Bacterial Leaf Blight on English Ivy - Groundcover

Back to Common Problems of Annuals, Bulbs, Groundcovers, Perennials, and Vines ***It is no longer recommended to plant English ivy because it is an alien invasive plant*** http://www.nps.gov/plants/alien/fact/hehe1.htm The symptoms of bacterial infection on English ivy include yellow-brown or black...

Herbicide Damage - Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Herbicides are products designed to kill undesirable weeds, however, misapplied herbicides can cause injury to desirable landscape plantings. Symptoms of herbicide injury often involve discolored or distorted leaves and...

Overgrown Groundcovers

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Renovating/thinning groundcovers such as pachysandra and ivy can be accomplished by mechanical removal such as with a lawn mower set at the highest setting. Removal of fallen debris and clean up of old leaves etc. will...

Heat Stress - Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Leaves of flowering plants may curl due to heat stress, even when there is ample soil moisture. During periods of extreme heat, leaves curl and plants wilt when roots are unable to supply sufficient moisture to the stems...

Winter burn/Leaf Scorch - Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Leaf scorch caused by cold winter temperatures is referred to as winter burn. Winter burn is caused by sunlight warming the leaves of plants growing in a sunny exposure during periods when the ground is frozen and the...

Sunburn/Leaf Scorch from Direct Sunlight Exposure - Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Leaf scorch due to direct sunlight during the growing season is often caused by a sudden change in exposure caused by tree removal or transplanting from shady areas into sunny areas. Drought conditions can also cause leaf...

Frost and Cold Injury - Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines When a cold period follows a long period of unseasonably warm temperatures that initiates new growth, temporary leaf damage may occur if temperatures dip below freezing. The damage appears as white, bleached areas on...

Falls Over - Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Some plants require staking because of their habit of growth. A plant that naturally grows taller than wide may need to be staked. Other plants, such as yarrow, baby's breath, balloon flower, asters or bachelor's button,...

Excess Water/Edema- Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Problems with excess water can result from poorly drained soil, prolonged periods of rain, or over watering. Excess water reduces oxygen in the soil, which damages fine roots and renders the plant unable to take up water...

Excess Fertilizer/Salt Injury - Annuals, Bulbs, Groundcovers, Perennials, and Vines

Back to Common Problems - Annuals, Bulbs, Groundcovers, Perennials, and Vines Salt injury may occur in connection with the application of fertilizers or ice melting products. Damage due to excessive fertilizer or salt application generally appears as marginal leaf browning or leaf scorch. Salts can...

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