... that has English Ivy covering it, and I keep it trimmed. Severe skin irritation can result from contact with the plant cell sap. Bring plants indoors during the winter in cold regions. Can you tell me if my English ivy, which has turned brown over this last winter, will turn green again and be OK? Thanks for the responses. English ivy is hardy in zones 5 or 6 to 9. This is Delaware. The ivy is perfect there, and has been there for about 15 years. CL Fornari Posted at 09:52h, 11 October Reply. All parts of the plant are toxic. Pinch young plants to encourage bushy growth. Q. English ivy, or Hedera helix, is an evergreen plant that is found in many parts of Canada and the United States.Hedera hibernica is a similar plant that has also been introduced to North America and is often known as English ivy. In its native habitat the common name of this plant is Atlantic or Irish ivy. Turn the thermostat down a few degrees before you go to bed and your ivy will thank you for it. Although English ivy is actually considered an invasive species in some regions, it is a popular choice for ground cover, or to grow up a wall, trellis, or other structure. Temperature & Humidity English ivy (Hedera helix) and its many cultivars belong to the ginseng family (Araliaceae). But that winter, with the cold snap and the wind, this definitely would have needed something more to help it cope. You can also mist the foliage with a fine sprayer. There are more than 400 varieties of English ivy in cultivation, but only a few of these are hardy as outdoor plants in the Chicago area. English Ivy plants enjoy warm, humid days but like it cooler in the evening. In fact, it could be that the regular leaf english ivy can take the cold a bit better than the smaller leaf varieties when potted. The English Ivy Plant. Toxicity of English Ivy . Shop 6-pack in tray english ivy (l3258) in the vines section of Lowes.com Ingesting the leaves can cause excessive drooling, vomiting, and diarrhea as … It looks really dead right now!!! Provide part or full shade, or even full sun in cool climates. Mandevilla: You can find this tropical vine sold almost everywhere during the warm months. Keep the soil moist. Nikki – short of building a heated greenhouse around this plant, there is no way it will survive outside in a Chicago winter. Most of them are tolerant of extreme conditions and can survive shade, poor soil, and atmospheric pollution. They are a fairly hardy plant temperature wise, so don’t fret too much over this. Also known as common ivy or Hedera helix, English ivy can thrive in cold and low light situations. When the topsoil (1/2-1 inch depth) is dry to touch, it’s time to water the ivy plant again. Like Hedera helix, it may become invasive. English ivy vines are poisonous plants for humans, dogs, cats, and livestock. Always allow the soil to dry out slightly between watering spells. Or should I cut it down and replant? Many people like the plant because it stays green all … Many species can also winter outside and will grow back from their stems. The English ivy (Hedera helix) is a flowering type of ivy that is a clinging evergreen vine and a popular plant in many countries.English ivy has broad large dark-green leaves that can grow up to 4″ (10 cm) long. If our ivy didn't survive this unusually cold winter, I wonder what else might not have survived. I'll give it a few more weeks. English ivy can be grown in the ground or in containers, indoors or outdoors, and can survive in shade, partial shade, or full sun. While English ivy can tolerate moist and dry soil both, it’s better to keep it on a balanced side. I think if you have a mild winter (not below 0Â° F and minimal single digits), you should do okay. All types of English ivy are climbing ivy plants and they can reach up to 100 ft. (30 m) in the right conditions. I have an attached unheated garage with 1 small window …how can I make sure it survive in a Chicago winter.