How to Grow and Care for Feverfew

Feverfew (Tanacetum parthenium), a charming and resilient perennial, is cherished not only for its delightful daisy-like flowers but also for its medicinal properties. In this comprehensive guide, we will explore the essentials of growing and caring for feverfew, ensuring your garden flourishes with this versatile plant.

Plant Overview

Origin, Appearance, and Growth Habits

Feverfew is native to the Balkan Peninsula but has become naturalized in many parts of the world. This herbaceous perennial typically grows to a height of 18 to 24 inches (45 to 60 cm) and features aromatic, fern-like leaves. Its small, white flowers with yellow centers bloom profusely from early summer to fall, adding a cheerful touch to any garden.

Optimal Growing Conditions

Light

Feverfew thrives in full sun but can tolerate partial shade. For optimal flowering and growth, ensure it receives at least 6 hours of sunlight per day.

Temperature

This hardy plant can withstand a wide range of temperatures, thriving in USDA hardiness zones 5 through 9. It can tolerate light frosts, making it a reliable choice for many climates.

Soil

Feverfew prefers well-draining soil with a neutral to slightly alkaline pH. Sandy or loamy soils are ideal, as they prevent waterlogging, which can lead to root rot.

Watering

Water feverfew moderately, allowing the soil to dry out between waterings. Overwatering can cause root issues, so it’s important to maintain a balance.

Humidity

Feverfew is not particular about humidity and can adapt to both dry and moderate conditions. However, it’s best to avoid overly humid environments, which can encourage fungal diseases.

Seasonal Care Tips

Spring

In spring, start by removing any dead or damaged foliage from the previous year. Apply a balanced, slow-release fertilizer to promote healthy growth. If planting new feverfew, this is the ideal time to do so, ensuring they have ample time to establish before the summer heat.

Summer

During the summer, maintain consistent watering and mulch around the base to retain moisture. Deadhead spent flowers to encourage continuous blooming and prevent self-seeding if you wish to control its spread.

Fall

As the weather cools, reduce watering and allow the plant to prepare for dormancy. Cut back the stems to a few inches above the ground after the first frost to protect the plant over winter.

Winter

In regions with harsh winters, apply a layer of mulch to insulate the roots. Feverfew is generally hardy, but additional protection can help ensure its survival and robust return in the spring.

Common Issues & Solutions

Pests

Feverfew is relatively pest-resistant, but it can occasionally attract aphids and spider mites. Use insecticidal soap or neem oil to manage these pests effectively.

Diseases

Fungal diseases such as powdery mildew can occur in humid conditions. Ensure good air circulation around the plants and avoid overhead watering to minimize the risk.

Yellow Leaves

Yellowing leaves may indicate overwatering or nutrient deficiencies. Adjust your watering schedule and consider a soil test to determine if additional fertilization is needed.

Propagation Guide

Step-by-Step Instructions

Feverfew can be propagated by seeds, cuttings, or division.

1. Seeds: Sow seeds indoors 6-8 weeks before the last frost date. Lightly cover them with soil and keep the soil moist. Once seedlings are large enough, transplant them outdoors.
2. Cuttings: Take softwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in a pot with well-draining soil. Keep the soil moist and provide indirect light until roots develop.
3. Division: In early spring or fall, dig up an established plant and divide the root ball into smaller sections. Replant the divisions, ensuring each has several shoots and roots.

Creative Uses

Garden Design

Feverfew’s compact size and abundant blooms make it perfect for borders, cottage gardens, and pollinator-friendly landscapes. Its bright flowers attract bees and butterflies, enhancing biodiversity.

Indoor Decoration

While feverfew is typically grown outdoors, its cut flowers can be used in bouquets and floral arrangements, adding a touch of elegance and fragrance to your home.

Landscaping

Use feverfew as a natural pest deterrent in vegetable gardens, as its scent can repel certain insects. Its versatility and low maintenance make it a valuable addition to any landscape design.

For more information on other plants, check out our guides on Sea Holly, Gaura, and Osteospermum.

For additional resources, consider visiting reputable sites such as the Royal Horticultural Society, the University of Minnesota Extension, and Gardeners’ World.