Bracted Strawflower
Xerochrysum bracteatumUSDA | Grow Zone
9-11Outdoors all year in zones 9 to 11. Anywhere colder, keep it as a houseplant. Protect it below 32°F.
- Light
- Full sun, 6-8 hours
- Water
- Top inch dry between waterings
- Humidity
- 40-60%
- Temperature
- 65-75°F (18-24°C)
- Difficulty
- Beginner
- Growth
- Moderate
- Mature size
- 2-3 ft tall, 1-2 ft wide
- Pets
- Non-toxic to pets and children
Xerochrysum bracteatum, commonly known as Bracted Strawflower, is a vibrant perennial native to Australia. Its unique, papery flowers and resilience make it a favorite for gardeners looking to add long-lasting color to their landscapes.
Ask Vesper about Bracted Strawflower
Ideal temperature
65-75°F is where it grows fastest. Below 32°F cold damage starts.
Spacing and harvest
- Mature size
- 2-3 ft tall, 1-2 ft wide
- Plant apart
- 12-24 in
- Frost
- Half hardy: light frost only
Everything it needs
9 essentials at a glance
Watering
Xerochrysum bracteatum requires moderate watering, allowing the top inch of soil to dry out between waterings.
During the growing season, water every 1-2 weeks, and reduce frequency in the winter months. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and browning leaf edges.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
Ideal placement includes south-facing windows or outdoor gardens with ample sunlight. It can tolerate partial shade but may result in leggy growth and fewer blooms.
Soil
Xerochrysum bracteatum prefers well-draining soil with a pH range of 6.0 to 7.0.
A mix of potting soil, sand, and perlite is recommended to ensure good drainage. Avoid heavy, compact soils that retain moisture.
Humidity
This plant prefers moderate humidity levels around 40-60%.
To increase humidity, mist the plant or place a humidity tray nearby. Signs of humidity stress include browning leaf tips and edges.
Temperature
The ideal temperature range for Xerochrysum bracteatum is 65-75°F (18-24°C).
It is hardy in USDA zones 9-11 and can tolerate light frost. Protect from extreme heat and cold by providing shade or moving indoors as needed.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 every 4-6 weeks during the growing season.
Reduce or stop fertilizing in the fall and winter months. Signs of nutrient deficiency include yellowing leaves and poor growth.
Pruning
Prune Xerochrysum bracteatum in early spring to remove dead or damaged stems and encourage bushier growth.
Use clean, sharp pruning shears for best results. Deadheading spent flowers throughout the blooming season will promote further flowering.
Repotting
Repot every 1-2 years or when the plant becomes root-bound, indicated by roots growing out of the drainage holes.
Choose a pot 1-2 inches larger in diameter. Carefully remove the plant from its pot, trim any damaged roots, and place it in fresh potting mix.
Propagation
Propagation can be done through seeds or stem cuttings.
For seeds, sow them indoors 6-8 weeks before the last frost date, lightly covering them with soil. For stem cuttings, take 4-6 inch cuttings in spring, remove lower leaves, and place in moist potting mix until roots develop. Timing for both methods is best in spring.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or nutrient deficiency.
How to fix it
Check soil moisture and adjust watering schedule. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Wilting
Why it happens
Under-watering or extreme heat.
How to fix it
Water the plant thoroughly and ensure it is not exposed to excessive heat. Move to a cooler location if necessary.
Leggy growth
Why it happens
Insufficient light.
How to fix it
Move the plant to a brighter location with more direct sunlight to encourage compact growth.
Root rot
Why it happens
Poor drainage or over-watering.
How to fix it
Ensure the pot has adequate drainage holes and reduce watering frequency. Repot in fresh, well-draining soil if necessary.
Browning leaf tips
Why it happens
Low humidity or under-watering.
How to fix it
Increase humidity by misting or using a humidity tray, and adjust watering schedule to keep soil evenly moist.
Care through the year
Spring
In spring, prune back any dead or damaged stems and fertilize with a balanced fertilizer to encourage new growth. Begin regular watering as temperatures rise.
Summer
During summer, ensure the plant receives full sun and water regularly, especially during dry spells. Deadhead spent flowers to promote continuous blooming.
Fall
In fall, reduce watering as temperatures cool down and prepare the plant for dormancy. Stop fertilizing and remove any dead foliage.
Winter
In winter, protect the plant from frost by bringing it indoors if necessary. Water sparingly, allowing the soil to dry out completely between waterings.
Toxicity & Safety
Xerochrysum bracteatum is non-toxic to pets and children. However, ingestion of large quantities may cause mild gastrointestinal upset. It is always best to keep plants out of reach of small children and pets.
Good to know
Why are my Bracted Strawflower leaves turning yellow?
Yellow leaves on your Bracted Strawflower can indicate over-watering or a nutrient deficiency. Check the soil moisture and adjust your watering schedule accordingly.
How often should I water my Bracted Strawflower?
Water your Bracted Strawflower every 1-2 weeks, allowing the top inch of soil to dry out between waterings. Adjust frequency based on seasonal changes.
What type of soil is best for Bracted Strawflower?
Bracted Strawflower prefers well-draining soil with a pH range of 6.0 to 7.0. A mix of potting soil, sand, and perlite is ideal for healthy growth.
How can I propagate my Bracted Strawflower?
You can propagate Bracted Strawflower through seeds or stem cuttings. Sow seeds indoors 6-8 weeks before the last frost or take stem cuttings in spring.
What should I do if my Bracted Strawflower is wilting?
Wilting can be a sign of under-watering or extreme heat. Water the plant thoroughly and consider relocating it to a cooler area if necessary.
When should I prune my Bracted Strawflower?
Prune your Bracted Strawflower in early spring to remove dead or damaged stems and promote bushier growth. Regular deadheading during the blooming season will also encourage more flowers.
Track this plant in your garden.
Set care reminders, log growth, and join a community of plant lovers.