How to Grow Red Robin Shrub - Plant Care & Tips

By NorwichGardener Team   /   2024

Red robin shrub is a plant that is native to the UK and Ireland. It is a small evergreen shrub that has red flowers. The leaves are also red when they first emerge, but they turn green as they mature.

How to Grow Red Robin Shrub - Plant Care & Tips

Also known as

  • Tree robin
  • Old man's beard
  • American witch-hazel
  • false cypress
  • Eastern thuja

Good to Know

  • Red Robin Shrub (Rhamnus cathartica) is a deciduous shrub that is native to Europe and North America.
  • It grows to 3-6 m (10-20 ft) tall and has oblong-ovate to oval leaves that are 2-6 cm (0.8-4 in) long and 1-3 cm (0.4-2 in) wide.
  • The flowers are small and crimson-red, blooming in Spring.
  • The berries are glossy black and contain a poisonous alkaloid.
  • Red Robin Shrub prefers full sun to partial shade and moist, well-drained soil.
  • It is intolerant of drought and will not tolerate wet, poorly drained soils.
  • Red Robin Shrub is generally pest and disease free.
  • It is an excellent choice for hedges, specimen plantings, or mass plantings.
  • Red Robin Shrub is deer resistant.
  • The Royal Horticultural Society has given it the Award of Garden Merit.

Related plant:
Hydrangea Paniculata Diamant Rouge

How to Grow

  1. For red robin shrub, first step is to choose a location that gets full sun and has well-drained soil.
  2. Next, dig a hole that is twice the width and depth of the root ball.
  3. Place the root ball in the hole and backfill with soil.
  4. Tamp down the soil gently and water deeply.
  5. Place a stake in the ground next to the shrub if needed.
  6. Fertilize the red robin shrub once a year in the spring with a balanced fertilizer.
  7. Prune away any dead or diseased branches in the late winter or early spring.
  8. Water the shrub deeply once a week during the first growing season.
  9. Once established, water the red robin shrub once a week during periods of drought.
  10. Enjoy your beautiful red robin shrub for years to come!

Related plant:
Red Bushes

The Soil

About soil condition, Red Robin shrub prefers well-drained soil but can also grow in boggy conditions. It is a shrub that can reach up to 6.5 feet in height and has small, dark green leaves. The flowers are small and white and appear in clusters. Red Robin is a popular choice for hedges and foundation plantings.

About light

Just like other shrubs, Red Robin shrubs need sunlight to grow properly. However, they are able to tolerate lower light levels than other plants. They will still need at least four hours of sunlight each day, so make sure to plant them in an area that gets plenty of sun.

Ideal Temperature

The temperature condition that is most favorable for the Red Robin shrub is moderate temperature. The Red Robin shrub can tolerate a wide range of temperatures, but it prefers moderate temperature. If the temperature gets too hot or too cold, the Red Robin shrub will not thrive.

Ideal Humidity

Ideal humidity condition for this plant is 50%. This plant cannot tolerate drought conditions and will need to be watered frequently during dry spells. The best way to water this plant is to use a soaker hose or drip irrigation system.

The Fertilizer

For the fertilizer, this plant prefers a low nitrogen fertilizer such as 8-8-8 or 10-10-10. Apply the fertilizer around the base of the plant, taking care not to get any on the leaves. Water the fertilizer in well. As for the root, this plant prefers a well-drained soil. If your soil is heavy, you may need to add some sand to it.

Light requirement

Pruning is a vital part of keeping your red robin shrub healthy and looking its best. Pruning helps to control the size and shape of the shrub, and also helps to remove any dead or diseased branches. When pruning red robins, it is important to make sure that you do not remove more than one-third of the shrub's total growth.

Plant Propagation

Propagation is typically done through cuttings taken from the desired plant. The cuttings should be taken from new growth, as this will result in the best plant. The cuttings should be placed in moist soil and allowed to rooted before being transplanted.

Growth Rate

Usually, the plant growth rate is determined by the type of plant. For example, fast-growing varieties can grow up to 3 feet per year, while slower-growing varieties may only grow 1 foot per year. The plant's growing environment also plays a role in its growth rate. For instance, red robin shrubs growing in full sun will typically grow faster than those growing in shade.

The Problems

Common problems for this kind of plant are leaf spot, scale, and root rot. Leaf spot is a fungal disease that attacks the leaves of the plant, causing them to turn brown and wilt. Scale is a sap-sucking insect that can weaken and kill the plant. Root rot is a fungal disease that attacks the roots of the plant, causing them to rot.

List to Know

  • Remember to plant your red robin shrub in a location that receives full sun.
  • Be sure to provide plenty of space for your red robin shrub to grow.
  • Water your red robin shrub regularly.
  • Fertilize your red robin shrub every few weeks.
  • Prune your red robin shrub regularly to promote new growth.
  • Deadhead your red robin shrub to keep it looking its best.
  • Protect your red robin shrub from harsh weather conditions.
  • Keep an eye out for pests and diseases that could affect your red robin shrub.
  • Harvest the berries from your red robin shrub when they are ripe.
  • Enjoy your beautiful red robin shrub for years to come!

Related Plants

  • Spotted Robin red robinia pseudacacia
  • Red Robinia Pseudacacia
  • Prairie Rose Prairie rose
  • Red Robin red robin (plant)
  • Marsh Rosemallow Hibiscus coccineus
  • Silk Tree red robinia silkmoth
  • Royal Robe Robinia pseudoacacia ' royal robe
  • Trumpet Creeper Campsis radicans
  • American Rose Rosa arkansana
  • Louisiana Hibiscus Hibiscus laevis

Source:
Flowering Native Shrubs - UC Master Gardener Program of ... - ucanr.edu
Managing Pests in Gardens: Trees and Shrubs: Photinia—UC IPM - ucanr.edu
Top 20 Native Shrubs for Sun and Shade - Smithsonian Gardens

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