English Ivy
English Ivy (Hedera helix) is a species of ivy native to most of Europe and western and central Asia. It climbs using aerial rootlets that attach themselves to surfaces such as masonry walls, gates, fences, trees and even some larger shrubs. English Ivy produces dark green, lobed leaves, typically 10-20 cm in length and 8-12 cm in width. With the existence of enough support, English Ivy can grow up to 30ft, but they usually stay between 6-8ft. Due to its evergreen leaves, beautiful foliage and affordable price, English Ivy has become popular as a decorative houseplant.
It is important to water the English Ivy regularly, whenever the top inch of the soil becomes dry. The amount of water needed depends on the temperature and the amount of light the plant is exposed to. If it is in a hot environment, watering more frequently should be necessary, while in cooler temperatures, the plant should be allowed to dry out, before more water is added. Over-watering is detrimental to the plant as it causes root rot. The ideal soil consistency should be moist, but not soggy.
English Ivy enjoys bright, indirect light, such as the bright filtered sunlight that comes through a window overlooking a partially shaded area or an unobstructed western or eastern window. English Ivy can also thrive in areas with less light but its growth rate will be slower and will show a lighter shade of green color. The plants that are exposed to more direct light tend to lose their vibrant color. It is important to keep the English Ivy out of direct sunlight.
English Ivy prefers temperatures between 60-75 F (15-23 C). They are tolerant of a wide range of temperatures but exposure to temperatures over 85 F (29 C) or below 55 F (12 C) may be too challenging. Avoid cold drafts.
English Ivy enjoys a humid environment. Placing the plant in a bathroom or in a room with good air circulation near a large window may be beneficial in maintaining a good humidity level. A humidifier or decorations can be used to increase the humidity level. Using a room humidifier is ideal for larger apartments and houses.
English Ivy requires well-draining, loose soil. Potting mixes consisting of peat moss, compost, perlite, and/or vermiculite are ideal for English Ivy. The addition of slow-release fertilizer (such as Osmocote 14-14-14) can also be beneficial.
English Ivy will benefit from regular fertilization during the growing months from April to October. Use a balanced, water-soluble fertilizer such zero-phosphate fertilizer or Osmocote 14-14-14. Fertilize every 2-4 weeks and reduce fertilization to once every month during fall and winter. English Ivy can also be watered with compost tea or a seaweed fertilizer once a month, which is an excellent, organic fertilizer option. Do not over-fertilize as this can damage the plant.
English Ivy is susceptible to several common pests such as aphids, mealybugs, scales, spider mites, and whiteflies. The best way to get rid of these pesky pests is to try and identify the type of pest infestation by carefully examining the stems and leaves of the plant. After the identification process, wash the infected areas with a strong jet of water to knock the pests off. If needed, introduce some natural predators such as ladybugs, lacewings, and parasitic wasps to eat away any leftover pests. If the problem persists, a pesticide can be used.
English Ivy does not need to be repotted often and should only be done when the roots outgrow the pot, usually, once or twice a year. When repotting, use a pot with drainage holes for excess water to drain. The pot should have just enough room to hold the root ball without crowding it. The soil should also be loose enough so that new roots can penetrate with ease.
Pruning the English Ivy is required to maintain the size of the plant. Cutting away dead leaves and branches is recommended, as it encourages a bushier growth. Pinching the ends of the stems can help promote side branching. Take a sharp pair of scissors and cut the stems or vines, making sure to cut close to the node. Dead leaves and damaged vines should be removed to prevent them from interfering with the healthy growth.
Mulching is not necessary for English Ivy though it helps to protect the roots from extreme temperatures and helps to retain soil moisture. Mulching materials such as sphagnum moss, peat moss, straw, or wood chips can be used.
English Ivy can be propagated from cuttings or layering. To propagate from stem cuttings, select a healthy stem and cut it into 2-3 inch (5-7 cm) pieces. Dip the cuttings in a rooting hormone, then place the cuttings into potting soil. Place a humidity dome over the pot and place the pot in a warm, bright spot. Keep the soil moist but not soggy, and in 4-6 weeks, the cuttings should produce new roots.
To ensure growth, English Ivy requires some type of vertical support, such as a moss pole, small trellis, or stake. If using a moss pole, insert it deep into the pot to ensure a secure foundation. If trailing, gently tie the plants to the pole.
English Ivy does not have a visible rest period, since it is evergreen. However, its growth rate does slow down in the winter months but bounces back in spring.
English Ivy is toxic to pets and humans if ingested, and can cause serious discomfort and reactions. It is important to keep English Ivy away from pets and children.
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