Gray's feverfew (Parthenium confertum)

Also known as: No common aliases available

Sagebrush (Artemisia tridentata) is a tough perennial known for its resilience in dry environments. It features silvery-green leaves and produces small, clustered white flowers. This plant's deep root system helps it reach water in arid soils, making it exceptionally well-suited for surviving harsh conditions.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Gray's feverfew

Lifespan

Perennial

Plant Type

Herb

Plant Height

0.5-1.5 meters

Spread

1-1.5 meters

Leaf Color

Green

Flower Size

0.2-0.5 centimeters

Flower Color

White

Images of Gray's feverfew

Quickly Identify Gray's feverfew

This plant can be identified by its lobed and finely divided leaves, small white flowers grouped in clusters, and its characteristic growth habit.

Scientific Classification of Gray's feverfew

Phylum

Vascular plants

Class

Dicotyledons

Order

Asterales

Family

Daisy

Genus

Feverfews

Species

Gray's feverfew

Planting and Growing of Gray's feverfew

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-8 hours

Ideal Temperature

64-75℉

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 Gray's feverfew?

For Parthenium confertum, each watering session should involve about 250 ml of water. Water until the topsoil is thoroughly moist, but ensure the pot allows excess water to drain freely to prevent waterlogging. This ensures the roots get sufficient moisture without becoming oversaturated.

What are the symptoms of an underwatered Gray's feverfew? ›

What should I do if my Gray's feverfew is not getting enough water? ›

What are the symptoms of an overwatered Gray's feverfew? ›

How to save an overwatered Gray's feverfew? ›

What Are the Sunlight Requirements for Gray's feverfew?

Sunlight Requirements: Partial sun, Full sun

Duration of light: 6 to 8 hours

Parthenium confertum flourishes under partial to full sun, as this range ensures vibrant foliage and robust flowering. Ideal lighting supports photosynthetic processes, enhancing growth vigor and resistance to pathogens.

How much light is ideal? ›

How to achieve ideal lighting? ›

Benefits of ideal lighting? ›

What Is the Ideal Temperature Range for Gray's feverfew?

Ideal Temperature: 64 ~ 75℉

The ideal temperature range for cultivating Parthenium confertum is between 64°F and 75°F. Within this range, the plant can grow efficiently, carrying out photosynthesis optimally without stress caused by temperature extremes. This range ensures sufficient energy conversion and growth rate while preventing any temperature-related issues.

What Soil is Best for Gray's feverfew?

Soil type: Sandy soil, Sandy loam

Soil PH: 6.5 ~ 7.5

Parthenium confertum thrives in well-drained soil, which prevents root rot by ensuring excess water drains away quickly. This ability benefits the plant by promoting healthy root systems and preventing fungal infections. This plant prefers soil rich in organic matter, which aids in maintaining proper nutrient levels and supports vigorous growth. The presence of organic material provides essential nutrients, improving overall plant health and productivity. It requires soil with moderate moisture, neither too dry nor waterlogged. Balanced moisture supports continuous nutrient uptake and prevents stress, aiding in robust and steady growth of Parthenium confertum.

How to Fertilize Gray's feverfew?

Fertilizer type: Balanced

For Parthenium confertum, a balanced fertilizer in the ratio of 10-10-10 is recommended. When using liquid fertilizers, dilute them to half the recommended strength. Solid fertilizers should be applied in amounts not exceeding 2 lbs per 100 square feet to prevent nutrient burn.

How to Prune Gray's feverfew?

Pruning Time: Spring, Summer, Autumn

Before you start, familiarize yourself with the plant's overall structure. Identify the main stems and branches that need trimming. Always start by removing any dead or damaged parts of the plant, as this helps the plant focus its energy on healthy growth. When pruning Parthenium confertum, aim to cut just above a leaf node or bud. This encourages new growth and helps the plant maintain a compact form. Ensure that cuts are clean and at a slight angle to promote water runoff, preventing any risk of rot. More About Pruning Techniques→

How to Propagate Gray's feverfew plant?

Propagate Time: Spring, Early spring

The first step is to collect seeds from mature plants. Choose healthy specimens and extract seeds carefully to ensure they are viable for planting. The seeds should then be cleaned and stored in a dry, cool place until ready for planting.

Prepare a well-draining soil mix suitable for seedlings. This mix should be loose and aerated to support root growth. Adding compost can provide the necessary nutrients and help maintain moisture levels for the young plants.

Sow the seeds evenly on the prepared soil and cover lightly with soil mix. Ensure timely watering using a fine mist to moisten the soil evenly. Too much water can drown the seedlings, so careful monitoring is important.

More About Propagating Techniques→

How to Repot Gray's feverfew plant?

Repotting frequency: Every 2-3 years

Parthenium confertum often signals its need for repotting when you notice roots sprouting from the drainage holes, indicating it has outgrown its current pot. Additionally, slow growth and reduced flower production are signs that it might need a fresh start. Typically, aim for a repotting session in the spring or autumn, when the plant is in a less stressed state.

Select a pot that is one to two inches larger in diameter than the current one. This size allows enough space for root expansion without overwhelming the plant. A pot with good drainage is crucial to prevent waterlogging and root rot, ensuring that the Parthenium confertum thrives in its new home.

Choose a rich loam soil with excellent drainage properties. The perfect blend holds moisture without becoming too soggy. Such a mixture supports healthy root development by allowing sufficient air circulation and nutrient absorption, which are vital for the plant’s vitality.

Toxicity

Ingestion, Inhalation, Skin contact

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.