Bupleurum fruticosum
SPECIMEN · FROM THE LIBRARY
Bupleurum fruticosum

Bupleurum Fruticosum

ON THIS PLANT

Bupleurum fruticosum, commonly known as shrubby hare's ear, is a perennial plant belonging to the Apiaceae family. Native to the Mediterranean region, this plant is found in countries such as Spain, Portugal, Morocco, and Algeria.

The plant typically grows to a height of 1 to 2 meters and features a woody stem with numerous branches. Its leaves are small, narrow, and bluish-green, giving the plant an attractive appearance. The flowers, which bloom from June to August, are small yellow-green umbels.

Bupleurum fruticosum has been used for medicinal purposes for centuries due to its anti-inflammatory properties. Additionally, it is valued as an ornamental plant because of its appealing foliage.

The shrubby hare's ear prefers well-drained soils in full sun or partial shade environments. While it is drought-tolerant, it requires regular watering during the growing season.

Overall, Bupleurum fruticosum is an intriguing perennial plant with both medicinal and ornamental value. It can thrive in Mediterranean climates or similar environments around the world, provided that its growth requirements are met.

A note from PlantMom

Shrubby hare's ear displays strong resistance to disease and is generally unlikely to suffer from illnesses. In terms of care, this plant is quite low-maintenance. When grown outdoors it needs only light watering, and larger plants typically do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Shrubby hare's ear is suitable for anyone with an outdoor area, such as a garden or deck, and does not call for extensive plant-care experience.

— PlantMom
CARE GUIDE

How to keep Bupleurum Fruticosum.

Light

The shrubby hare's ear performs best when it gets a high level of sunlight, reflecting its native setting of plentiful light. Plenty of sun throughout every stage of growth promotes its best health. Excessive exposure, however, can bring on heat stress, while insufficient light may cause stunted growth and diminished vigor.

Water

The shrubby hare's ear, native to the Mediterranean region, thrives in areas with moderate rainfall. This drought-tolerant plant prefers well-drained soil and typically needs watering every 1-2 weeks. As an evergreen, it is ideal for xeriscaping and rock gardens, making it a great choice for water-conserving landscapes.

Temperature

Shrubby hare's ear copes well with heat and can handle high temperatures and wide temperature swings. In hot weather, be careful with watering and give some shade to avoid sunburn. Conversely, it is not very tolerant of cold. It can endure a certain amount of chill, but very low temperatures can cause frost damage.

Fertilizer

Timing is important for fertilizing Shrubby hare's ear. Apply fertilizer in early spring and continue once a month until early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant and active growth periods.

Pruning

The shrubby hare's ear is an evergreen shrub known for its aromatic leaves and yellow flowers. To encourage bushier growth, improve air circulation, and remove dead branches, prune it in early spring. Avoid heavy pruning at other times to prevent stress and promote healthy growth.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Bupleurum
Family
Apiaceae
Hardiness Zone
7-10
Mature Height
2.44 m
Mature Spread
2.44 m
Leaf Color
Green, Blue
Leaf Type
Evergreen
Flower Color
Yellow, Green
Flower Size
0.25 cm to 0.51 cm
Bloom Time
Summer
Planting Time
Summer
Harvest Time
Early fall, Mid fall
Native Area
Tunisia, Portugal, Italy, Spain, Algeria, Greece, Lebanon, Morocco, France
ALSO KNOWN AS

Other names.

en Shrubby hare's-ear en Shrub thoroughwax en Hare's-ear en Amargaza (AST)
FREQUENTLY ASKED

Reader questions.

How should I water my Shrubby hare's ear plant?

When watering your Shrubby hare's ear, you have flexibility in choosing a watering tool. Whether it's a watering can, hose, or even a cup, any common watering tool will suffice. It's important to apply the water directly to the soil and ensure equal moisture distribution across all areas. Using filtered water can be helpful to avoid harmful particles found in tap water, and it's recommended to use water that is at or slightly above room temperature to avoid shocking the plant. However, the Shrubby hare's ear generally responds well to any type of water.

Why should I put fertilizer on my Shrubby hare's ear plant?

Fertilizing a Shrubby hare's ear is crucial for several reasons. Firstly, it helps the plant produce beautiful blooms. To achieve excellent flowers during the spring season, it is recommended to fertilize in early spring. Furthermore, fertilizer provides the plant with the energy it needs during dormant growth phases, which can be stored in the ground. By giving your Shrubby hare's ear extra nutrients during fall planting or late spring, it will have more energy to utilize once active growth resumes.

What are the sunlight requirements for Shrubby hare's ear?

Shrubby hare's ear requires full sun, which means it needs above 6 hours of sunlight daily to thrive. It's important to watch how sunlight moves through your garden to choose spots that offer a perfect balance of light and shade. This ensures the plant's happiness and promotes optimal health. However, it's crucial to be mindful of overexposure to sunlight, which can lead to heat stress, and inadequate light, which results in poor growth and reduced vitality.

What do I need to do if I give too much or too little water to my Shrubby hare's ear plant?

Outdoor plants, especially newly planted ones or seedlings, are prone to lack of watering. It is important to water them sufficiently for a few months while they are small or newly planted. Once the roots are established, Shrubby hare's ear can rely on rain most of the time. However, when Shrubby hare's ear is planted in pots, overwatering is more likely to occur. If you accidentally overwater your plant, you should stop watering it immediately to minimize the effect. Then, you can remove the plant from its pot to check the roots. If there is no root rot, you can put the plant back in its pot. But if there are signs of root rot, you should trim the affected roots and apply a fungicide. Finally, repot the plant in well-draining soil. For underwatered Shrubby hare's ear, simply water it more often. Underwatering is usually easy to fix as the leaves will droop and dry out but quickly recover after sufficient watering. Make sure to adjust your watering frequency as soon as you notice underwatering.

When should I fertilize my Shrubby hare's ear plant?

To ensure successful fertilization of Shrubby hare's ear, timing is crucial. Applying fertilizer too early, when the plant is still dormant, will not be effective and could be washed away by rainwater, causing waste and pollution. The ideal time for the first application of fertilizer is early spring, and it should be continued once a month until early summer.

How can artificial lighting be used for indoor plants?

For indoor plants requiring more light, especially in less sunny spaces or during winter, artificial lighting is an effective solution. LED lights are popular due to their ability to provide specific wavelengths needed for plant growth. Full sun plants require 30-50W per square foot, partial sun plants need 20-30W per square foot, and full shade plants need 10-20W per square foot. The light source should be placed 12-36 inches above the plant, mimicking natural sunlight as closely as possible. Most plants will need 8-12 hours of light per day.

How often do I need to water my Shrubby hare's ear plant?

Most outdoor plants can grow naturally with rainfall. However, if your area doesn't get enough rain, you should water your plants adequately every 2 weeks in the spring and fall. In the summer, you'll need to water them more often. During the winter, when plants grow slower and require less water, you can water them less frequently or not at all. If you have a young or newly planted Shrubby hare's ear, you should water it more often to help it establish and grow better. For potted plants, there are two main ways to determine the watering frequency for your Shrubby hare's ear. One way is to follow a predetermined watering schedule, either weekly or every other week. However, this method may not always work because it doesn't consider the specific conditions of your plant's environment. Another approach is to water based on soil moisture. It's generally best to wait until the top two to four inches of soil (about 1/3 to 1/2 the depth of the pot) have completely dried out before watering again. Keep in mind that during the summer, your plant's water needs will be higher and a predetermined schedule may not be sufficient.

When is it a bad idea to add fertilizer to my Shrubby hare's ear plant?

To ensure optimal growth and blooming, it is important to be mindful of the fertilizer you give Shrubby hare's ear. Avoid using fertilizers with high nitrogen content, as this can result in a surplus of leaves but limited flower production. Instead, opt for a fertilizer that has a lower nitrogen level relative to other nutrients. It is also crucial to avoid fertilizing Shrubby hare's ear after early autumn, as this can stimulate excessive growth right before winter sets in. Furthermore, refrain from fertilizing during periods of hot and dry weather, as dry soil does not effectively deliver the fertilizer and can prompt excessive growth that requires more water, which may not be readily available. The best time to fertilize is in the earlier part of the season when temperatures are cooler. Lastly, bear in mind that Shrubby hare's ear can absorb fertilizer from nearby plants or lawns, so be cautious not to inadvertently provide it with a double dose of fertilizer.

What symptoms indicate Shrubby hare's ear is not getting enough light?

Symptoms of insufficient light for Shrubby hare's ear include small leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored or yellow leaves (chlorosis). Excessive sunlight can cause sunscald, leaf curling, wilting, leaf scorching, and negative impacts on photosynthesis and overall plant health. It's essential to monitor these signs to adjust the plant's exposure to light accordingly.

How much water does my shrubby hare's ear plant need?

When watering your Shrubby hare's ear, you might be surprised to learn that it doesn't always require a large amount of water. Instead, if only a few inches of soil have dried since the last watering, you can promote healthy growth by giving it around five to ten ounces of water each time. You can also determine the right amount of water based on the moisture level of the soil. Remember to take note of how many inches of soil have dried out between waterings. To ensure your Shrubby hare's ear receives the necessary moisture, provide enough water to dampen all the dry soil layers since the last watering. If more than half of the soil has dried out, you may need to provide more water than usual. In such cases, continue watering until excess water drains from the pot's drainage holes. If your Shrubby hare's ear is planted in an area with ample rainfall outdoors, it may not require additional watering. When the plant is young or still establishing, ensure it receives 1-2 inches of rain per week. As it grows and establishes itself, it can rely solely on rainwater unless the weather is exceptionally hot and there is no rainfall for 2-3 weeks. In such situations, it would be essential to give your Shrubby hare's ear a thorough watering to prevent it from experiencing stress.

What kind of fertilizer does my Shrubby hare's ear plant need?

To ensure the optimal growth of a Shrubby hare's ear plant, it is best to use a fertilizer that contains a balanced mix of the three main plant nutrients, with slightly higher levels of phosphorus. Another option is to improve the plant's soil by incorporating organic materials like compost, worm castings, and manure. Some experienced gardeners choose to supplement with water-soluble fertilizers containing phosphorus once or twice when the flower buds start to emerge. This will result in better flower development, leading to larger and longer-lasting blooms. While there are different forms of fertilizers available, liquid or powdered forms are considered the most effective for Shrubby hare's ear. Regardless of the form used, it is important to dilute the fertilizer and apply it while watering the plant.

What indoor and outdoor solutions can help improve light conditions for Shrubby hare's ear?

To optimize growth conditions for Shrubby hare's ear, indoors, gradually relocate the plant to sunnier areas until it gets at least 6 hours of direct sunlight daily, utilizing south-facing windows for natural light. For large or immobile plants, consider providing artificial light for at least 8 hours a day. Outdoors, slowly adjust the plant's position to increasingly sunnier locations weekly, avoiding sudden exposure that could cause sunburn. If sunlight is obstructed by trees or other obstacles, consider pruning to improve light access or transplanting smaller plants to sunnier spots during their dormant period for better growth prospects.

PLATES
Bupleurum fruticosum leaf
PLATE 01 · leaf
Bupleurum fruticosum leaf
PLATE 02 · leaf
Bupleurum fruticosum flower
PLATE 03 · flower
Bupleurum fruticosum flower
PLATE 04 · flower
Bupleurum fruticosum fruit
PLATE 05 · fruit
Bupleurum fruticosum fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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