Whitebrush (Aloysia gratissima)

Also known as: Beebrush, Texas whitebrush

Oleander (Nerium oleander) is an aromatic shrub that draws bees and butterflies. While its beauty makes it a popular choice for fragrant garden ornamentals in warm and tropical regions, it's important to note that this plant is toxic to horses and mules.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Whitebrush

Lifespan

Perennial

Plant Type

Shrub

Plant Height

3 m

Spread

90 cm to 3 m

Leaf Color

Light Green

Flower Size

Approximately 0.2 inches (0.5 cm)

Flower Color

White

Images of Whitebrush

Quickly Identify Whitebrush

Aloysia gratissima can be identified by its small, white, and highly fragrant flowers, which appear in clusters. The leaves are narrow, elliptical, and typically light green in color. The plant often has a bushy, dense growth habit.

Scientific Classification of Whitebrush

Phylum

Vascular plants

Class

Dicotyledons

Order

Lamiales

Family

Verbena

Genus

Beebrushes

Species

Whitebrush

Planting and Growing of Whitebrush

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 hours

Ideal Temperature

65-85℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Whitebrush?

Aloysia gratissima, known for its fragrant blooms, should receive approximately 500 ml of water each session. The goal is to keep the soil consistently moist but not waterlogged. Allow the top couple of inches to dry out between waterings as a guiding principle.

What are the symptoms of an underwatered Whitebrush? ›

What should I do if my Whitebrush is not getting enough water? ›

What are the symptoms of an overwatered Whitebrush? ›

How to save an overwatered Whitebrush? ›

What Are the Sunlight Requirements for Whitebrush?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Prefers full sun but tolerates partial sun; ideal light conditions promote full foliage growth and maximize flowering potential, enhancing aesthetic appeal and plant vitality.

What is the ideal lighting condition for Aloysia gratissima? ›

How can you ensure Aloysia gratissima gets ideal lighting? ›

What are the benefits of ideal lighting for Aloysia gratissima? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Whitebrush?

Ideal Temperature: 65 ~ 85℉

Aloysia gratissima thrives best in environments where temperatures are consistently between 65°F and 85°F. This range ensures optimal physiological processes, including photosynthesis and nutrient uptake, are not disrupted. Maintaining temperatures within this range can promote healthy growth and flowering for this aromatic shrub.

What Soil is Best for Whitebrush?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Aloysia gratissima thrives best in well-drained soil conditions as these prevent stagnant water around its roots, which could lead to root rot and other fungal diseases. The plant benefits from nutrient-rich soil, providing essential minerals and organic matter that support healthy growth and vibrant foliage. While it prefers well-draining soil, adequate moisture retention helps maintain necessary hydration levels, especially during dry spells.

How to Fertilize Whitebrush?

Fertilizer type: Balanced

Aloysia gratissima responds best to a balanced fertilizer with an NPK ratio of 10-10-10. For liquid fertilizer, use approximately 1 tablespoon per gallon of water, ensuring even distribution throughout the soil around the plant's base.

How to Prune Whitebrush?

Pruning Time: Spring, Summer, Autumn

To begin pruning Aloysia gratissima, use sharp and clean pruning shears to make precise cuts. Start by removing any dead, damaged, or crossing branches to improve air circulation and remove potential disease risks. Then, trim back about one-third of the plant's height, focusing on cutting just above a leaf node to encourage new growth. This not only keeps the plant’s shape neat but also promotes a fuller growth pattern. For shaping, Aloysia gratissima benefits from light shaping cuts throughout the growing seasons. Aim to maintain a consistent shape and size, allowing for a well-rounded or bushy appearance. Avoid aggressive cutting as it may stress the plant. Regular maintenance through pruning keeps the plant healthy, aesthetically pleasing, and helps banish any pest infestations or infections. More About Pruning Techniques→

How to Propagate Whitebrush plant?

Propagate Time: Spring, Early summer

Choose a robust and healthy parent plant to take cuttings from. Ensure the plant is disease-free and vigorous for the best chances of successful propagation.

Cut a 4-6 inch section of stem from the parent plant. Ensure the cutting is taken just below a node, and remove any flowers or buds to direct energy to root growth.

Dip the cut end in rooting hormone, and plant it in a well-draining potting mix. Keep the soil consistently moist, and cover with a plastic dome to retain humidity.

More About Propagating Techniques→

How to Repot Whitebrush plant?

Repotting frequency: every 2-3 years

Aloysia gratissima should be repotted when you begin to notice that its growth has become stunted or the roots are visible through the drainage holes. Spring and early summer are ideal times as it allows the plant to recover more quickly. Also, if the potting soil is compacted and losing its efficiency, that's another signal to repot.

Select a pot that is one size larger than the current one. Ensure it has adequate drainage holes to prevent waterlogging. A terracotta pot can be an excellent choice due to its breathability, which aids in keeping the roots healthy and avoids root rot.

A well-draining potting mix is essential for Aloysia gratissima. This should include components like perlite or sand to enhance aeration. The benefits include preventing water from accumulating at roots, thus reducing the risk of diseases and promoting healthy root growth.