Larrea tridentata — an easy houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Larrea tridentata

Larrea Tridentata

Updated · 176 observations
ON THIS PLANT

Larrea tridentata, called creosote bush and greasewood as a plant, chaparral as a medicinal herb, and gobernadora (Spanish for "governess") in Mexico, due to its ability to secure more water by inhibiting the growth of nearby plants. In Sonora, it is more commonly called hediondilla; Spanish hediondo = "smelly". It is a flowering plant in the family Zygophyllaceae. The specific name tridentata refers to its three-toothed leaves.

A note from PlantMom

The creosote bush is disease-resistant and is typically not susceptible to illnesses. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs only minimal watering, and larger specimens usually do not require pruning. Smaller plants, however, should be trimmed after they finish blooming. The creosote bush is suitable for people with outdoor spaces like a garden or deck and does not require extensive gardening experience.

— PlantMom
CARE GUIDE

How to keep Larrea Tridentata.

Light

Creosote bush strongly prefers unobstructed sunlight but can adjust to moderate light conditions. In its native habitat it prospers in open, sun-drenched landscapes. Sunlight availability influences its healthy growth during the various stages of development. However, too little or too much sun can impede the plant’s growth.

Water

The creosote bush is well-suited to arid climates, demonstrating remarkable drought tolerance. As an evergreen shrub, it needs watering only every 1-2 weeks. It conserves water by shedding its leaves during dry periods and growing them back when conditions improve.

Temperature

The creosote bush plant is indigenous to hot, arid areas where temperatures range from 59 to 100 ℉ (15 to 38 ℃). It grows best in temperatures between 59 and 86 ℉ (15 to 30 ℃). In winter, temperatures may need to be adjusted to avoid damage, as it can tolerate a minimum of 23 to 32 ℉ (-5 to 0 ℃).

Fertilizer

Fertilize your Creosote bush in early spring to encourage healthy growth. Regular fertilizing improves overall health, leading to vigorous growth, better tolerance of harsh conditions, and increased resistance to diseases and pests. Keep to a consistent fertilization schedule for your Creosote bush to maintain lush, deeply colored, and vibrant foliage.

Pruning

The creosote bush is a drought-tolerant shrub characterized by its glossy, resinous leaves. For best results, prune it in early spring to remove dead branches and encourage bushier growth. Regular maintenance helps improve air circulation, prevents overcrowding, and reduces the risk of disease, ensuring the plant remains healthy and attractive.

Pot & Repot

When repotting the Creosote bush, pick a pot 1–2 inches (2.5–5.1 cm) larger with ample drainage. Use a well-draining potting mix. Repot in spring or fall, making sure the root ball is slightly lower than the rim of the flower pot. Water thoroughly after repotting and place it in a warm spot with indirect sunlight.

CHARACTERISTICS

Botanical profile.

Plant Type
Shrub
Life Cycle
Perennial
Genus
Larrea
Family
Zygophyllaceae
Hardiness Zone
7-11
Mature Height
0.91 m to 3.96 m
Mature Spread
3.05 m
Leaf Color
Green, Yellow
Leaf Type
Evergreen
Flower Color
Yellow
Flower Size
2.54 cm
Bloom Time
Mid spring, Late spring, Summer
Planting Time
Spring, Summer
Harvest Time
Late spring, Summer, Early fall
ALSO KNOWN AS

Other names.

en Creosote en Creosote-bush en Chaparral
FREQUENTLY ASKED

Reader questions.

How should I water my Creosote bush?

When it comes to watering your Creosote bush, you have a lot of flexibility in choosing the right tool. You can use common watering cans, hoses, or even cups to moisten the soil. No matter which tool you choose, it's important to water the soil directly. Make sure you evenly moisten all areas of the soil to provide water to the entire root system. Filtering the water is a good idea, as tap water may contain harmful particles. It's also a good practice to use water at or slightly above room temperature, as extreme temperatures can be shocking to the plant. However, the Creosote bush generally responds well to any kind of water you give it.

Why should I put fertilizer on my Creosote bush?

No matter what kind of Creosote bush you have, regular fertilization is key to its overall health. Providing the right nutrients will help your bush grow stronger and handle tough conditions better, while also protecting it from diseases and pests. To maintain the beautiful foliage of your bush, it's important to stick to a regular fertilization schedule tailored to your specific plant. This will result in leaves with rich color and a lush appearance.

What are the sunlight requirements for a Creosote bush?

Creosote bush requires full sun exposure with more than 6 hours of sunlight for optimal growth, but it can also adapt to partial sun conditions, receiving about 3-6 hours of sunlight. It's essential to observe the movement of sunlight in your garden to ensure your Creosote bush receives the right balance of light and shade, providing it with the conditions it needs to thrive. In its natural habitat, the Creosote bush is accustomed to clear, sun-soaked landscapes, and its growth is significantly influenced by the availability of sunlight. However, too little or too much sunlight can negatively affect the plant's health.

What is the native environment of the creosote bush?

The creosote bush plant is native to hot and arid environments. It thrives in temperatures ranging from 59 to 100 ℉ (15 to 38 ℃) and prefers temperatures between 59 to 86 ℉ (15 to 30 ℃) for optimal growth. However, its ability to adjust during winter to prevent damage is noteworthy, tolerating a minimum temperature range of 23 to 32 ℉ (-5 to 0 ℃). Despite its strong cold resistance, protection measures may still be necessary if temperatures are expected to drop below -15℃.

What should I do if I give my Creosote bush too much or too little water?

If you have outdoor plants, especially newly planted ones or seedlings, they may not get enough water. Remember to water them adequately for the first few months while they are small or newly planted. Once the roots are established, Creosote bushes can rely on rain most of the time. When your Creosote bush is in a pot, overwatering is more likely to happen. If you accidentally overwater your plant, take immediate action to fix it. Stop watering it right away to minimize the impact of overwatering. Then, remove the Creosote bush from its pot and check its roots. If there is no root rot, you can return the plant to its container. But if you see signs of root rot, trim the affected roots and consider applying a fungicide to prevent further damage. Finally, repot your Creosote bush in well-draining soil. On the other hand, underwatering is easier to fix. If you notice drooping and drying of the plant's leaves, and they fall off, simply water the plant more frequently. When you water it enough, the leaves will quickly regain their fullness. Make sure to correct your watering schedule as soon as you notice underwatering happening.

When should I fertilize my Creosote bush?

To properly fertilize your Creosote bush, start in late winter or early spring. This will provide the necessary nutrients for healthy growth when the weather becomes warmer. If you live in a warm climate region, it's also beneficial to give an additional fertilizer feeding during early fall. This will supply extra nutrients for the next growing season and help your bush withstand winter without foliage damage. By fertilizing earlier, you'll allow time for new branches to grow and better survive the cold winter.

How can artificial lighting be used for Creosote bush indoors?

If your Creosote bush is not receiving adequate sunlight indoors, especially during winter or in less sunny spaces, artificial lighting can be a crucial solution. LED lights are recommended because they can be customized to provide specific wavelengths needed by your plant. Full sun plants require 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants should get 10-20W/sq ft. The light source should be placed 12-36 inches above the plant, and the duration of artificial lighting should mimic natural daylight hours, typically 8-12 hours per day for most plants.

How can you protect a creosote bush during extreme cold?

To protect a creosote bush during extreme cold, especially when temperatures drop below -15°C, it's important to wrap the trunk and branches with protective materials like non-woven fabric or cloth. Additionally, watering the plant abundantly before the first freeze in autumn helps the soil retain moisture and remain in a frozen state, which is crucial for the plant's survival through winter and early spring.

How frequently should I water my Creosote bush?

Most outdoor plants can grow fine with rainfall. However, if your area doesn't get much rain, you should water your plants every 2 weeks in spring and fall. In summer, you'll need to water them more often. In winter, when plants grow slower and need less water, you can water them less frequently or not at all. If your Creosote bush is young or newly planted, water it more often to help it establish and grow better. For potted plants like the Creosote bush, there are two main ways to determine how often to water them. The first way is to set a watering schedule, like once a week or every other week. However, this may not always work because it doesn't consider the specific conditions of your plant's environment. Another way is to check the soil moisture. Usually, it's best to wait until the top two to four inches of soil in the pots have completely dried out before watering again. This method allows you to adjust the watering frequency based on the season, as the plant's water needs are highest during summer.

When is the best time to not put fertilizer on my Creosote bush?

There are specific periods in the year when it is not recommended to fertilize your Creosote bush. The first is in the early and mid-winter, when the bush is dormant and does not require feeding. Additionally, it is not advisable to fertilize the plant in late spring and throughout the summer. During these months, the weather tends to be hotter and drier, which can have a negative impact on the bush if fertilized. To prevent such issues, it is best to follow a fertilization schedule that involves feeding only in early spring and early fall.

What symptoms indicate a Creosote bush is receiving inadequate light?

When a Creosote bush receives insufficient light, it may exhibit symptoms such as smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted growth, and lighter-colored or chlorotic leaves. Extreme sunlight exposure can cause chlorosis, sunscald, leaf curling, wilting, and leaf scorching, indicating damage. These symptoms reflect either a lack of sunlight, leading to reduced chlorophyll and nutrient absorption, or excessive sunlight, which damages the plant's tissues and affects its overall health.

What are the symptoms of low temperature stress on a creosote bush?

Creosote bush shows remarkable cold tolerance, best thriving above 15°C. In winter, it should be kept above -10°C to prevent damage. When temperatures fall below -15°C, there may not be noticeable changes during winter, but the branches can become brittle and dry by spring, failing to produce new shoots. The solution involves pruning away any dead branches in spring to encourage new growth.

PLATES
Larrea tridentata leaf
PLATE 01 · leaf
Larrea tridentata leaf
PLATE 02 · leaf
Larrea tridentata flower
PLATE 03 · flower
Larrea tridentata flower
PLATE 04 · flower
Larrea tridentata fruit
PLATE 05 · fruit
Larrea tridentata bark
PLATE 06 · bark
ALSO IN THE LIBRARY

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