Why do my snapdragons keep dying?Īs is the case with most other plants, watering – whether over watering or under watering – patterns are typically the number one cause of issues and death in the Snapdragon plant. If the garden or potted soil is very moist or soggy, do not water again until the soil dries out. If the plant is established, only water when the soil is dry below the surface. Snapdragons can be over-watered or improperly watered. Any experienced gardener has likely seen perfectly healthy, freshly planted snapdragons suddenly wilt. Where snapdragons are overwatered, their shallow roots cannot absorb all the moisture in their root zone and root rot occurs. In terms of soil, snapdragons will do best in well-draining soil, with plenty of organic matter and a soil pH of around 6.2 to 7.0. Snapdragons prefer full sun, so be sure to pick a spot that gets at least six hours of direct sunlight per day. Snapdragons grace our winter gardens in many colors, sizes and flower types. It will usually regain its vigor when the temperatures warm. It is frost tolerant to 28 degrees but may suffer some damage below that temperature. Though very drought tolerant, it flowers best with some occasional summer water. They can tolerate light shade but bloom much better in full sun. Snapdragons bloom best in well-drained, moist soil, in cool late-spring or early-summer temperatures. Once established, let the top inch of soil dry fully before watering. Water near the crown of the plant and avoid overhead watering to keep your snapdragon healthy. Prepared by Gary W.Once established, snapdragon will need approximately 1 inch of water per week in times of no rainfall. Concentric rings of spores form around the initial spot.Īpply a fungicide to protect healthy plants. Small yellow swellings form on leaves or stems and burst to release rusty colored spores. Apply a fungicide to protect healthy plants. Older plants wilt and die with lesions at the base as noted above. A red-brown lesion forms at the base of the stem. Stems of seedlings or recent transplants collapse at the soil line. Older plants may survive if not placed under moisture stress. Plants are yellowed, stunted, wilt, and die. Heat and ventilate especially in the spring and fall to reduce night humidity. White fungal growth forms on either surface of lower leaves, also on stems of some cultivars. Before replanting greenhouse beds, steam the soil because the fungus survives in debris. Water in a manner that keeps leaf surfaces dry. Heat and vent to maintain low humidity, especially when weather is cool and cloudy. Older plants yellow, may be stunted, and die from the top down. The fungus causes a systemic infection of all leaves of seedlings. Upper side of infected leaves have yellowed areas. Gray to white fungus lightly covers the underside of leaves. Seedlings and cuttings are stunted and leaves curl downward. Space plants to insure good air circulation. Petals turn brown and are covered with gray, fungal growth. Water in a manner that keeps foliage surfaces dry. Heat and ventilate to maintain low humidity. Leaves die as do entire plants if stems are girdled. These turn white and have a brown border. Definite yellow spots form on leaves and stems.
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