How to Grow Strawflowers - Eco Organic Garden (2024)

Short-lived Perennials
Xerochrysum, Bracteantha and Helichrysumare all names used for these perennials but normal people just call them strawflowers! Whilst they are perennials they tend to only perform well for a year or two and then need replacing. Think of them as long-lived annuals instead How to Grow Strawflowers - Eco Organic Garden (1)

Flowers mostly have golden centres with bracts of differing colours including yellow, orange, brown, pinks and burgundy red. Strawflowers are bushier plants compared to paper daisies and will grow up to 80cm tall. Flowering occurs from Spring right through into Autumn.

How To Grow Strawflowers
Strawflowers and paper daisies are fast growing, low maintenance plants. They require full sun and whilst they can take a range of soils, last longer in fertile soil with good drainage. To keep them flowering longer (especially the annual types) it is best to not let the soil dry out completely. Add an organic compost to the soil and if you’re planting into clay apply gypsum before planting to improve the drainage.

The annual paper daisies should be grown from seed. Occasionally nurseries sell seedlings in punnets but these rarely perform well. Sow seed directly onto the soil and very lightly cover. Keep moist and they’ll germinate easily. Failure to germinate is almost always due to drying out. Apply OCP eco-hydrate at the time of sowing to minimise this problem.

The perennial strawflowers are usually sold as individual plants already in bud or flower. Just plant and water in with OCP eco-seaweed to minimise transplant shock and get new roots developing quickly.

How to Grow Strawflowers - Eco Organic Garden (2024)

FAQs

How to Grow Strawflowers - Eco Organic Garden? ›

Strawflowers and paper daisies are fast growing, low maintenance plants. They require full sun and whilst they can take a range of soils, last longer in fertile soil with good drainage. To keep them flowering longer (especially the annual types) it is best to not let the soil dry out completely.

Do strawflowers come back every year? ›

Strawflowers are hardy in zones 8 through 11 and can return for a couple of years as perennials in temperate summer weather but are most often grown as annuals.

Are strawflowers easy to grow? ›

Let's look at the Pros and Cons of growing Strawflowers for cut flower use. They come in a multitude of colors and sizes. They are easy to grow and actually thrive in poorer soils. The plants are productive for a long period of time.

Do you need to pinch straw flowers? ›

Once established, prefers well-drained soils and temps of 70-75°F (21-24°C). Plants may need support. Pinching is recommended to encourage uniform and productive branching.

Do strawflowers like sun or shade? ›

Strawflowers thrive in full sun, although they can tolerate part shade. In the latter case, they won't bloom quite as much. Growing strawflowers in full sun will help prevent weak stems that flop.

Are strawflowers toxic to dogs? ›

Strawflower is dog-safe, but watch for mild stomach upset. 🐶 Monitor for allergies like sneezing or itching after ingestion. Create dog zones and use barriers for a safe garden.

Should you deadhead straw flowers? ›

Care for strawflowers correctly as they grow

Apply an organic fertilizer occasionally throughout the growing season if desired. Cut the main stem when the flower is 4-6 inches (10-15 cm) tall to encourage branching. Keep spent flowers deadheaded to encourage more blooms.

How many strawflowers per plant? ›

2023 LSU AgCenter spring cut flower trial Raspberry Rose strawflower data
CharacteristicMeasurement
Average Number of Stems per Plant on the First Harvest7.4 stems
Average Stem Length23 inches
Average Number of Flowers per Stem4.4 flowers
Average Flower Width2.7 cm
Aug 30, 2023

What grows well with strawflowers? ›

Companions. Strawflowers close at night and in rainy weather, so they are at their best in sunny beds seen during the day. Blue ageratum or airy nigella make excellent neighbors for strawflowers.

Can strawflowers tolerate heat? ›

Being totally heat-tolerant, strawflowers are the perfect addition to a sunny perennial bed. Also an excellent choice for cutting gardens. These flowers, either fresh or dried, make striking, long-lasting additions to bouquets, mixed arrangements, or solo in vases.

Do strawflowers need water? ›

Strawflowers are drought tolerant but will flourish with about one inch of water per week during their growing season. You don't want their roots to stay wet (one of the reasons why raised beds with good drainage are so important), so don't water if you've received a lot of rain that week.

How to care for strawflowers? ›

Strawflowers require very little care. Water the plants only when the soil feels slightly dry. Avoid wet, soggy soil, as strawflowers are prone to rot in wet conditions. If possible, water with a hose or drip system to keep the foliage dry.

Why are my straw flowers dying? ›

Strawflowers don't come with a thirst meter, so over or under-watering can sneak up on you. Signs of overwatering include leaves that are yellow and stems that feel soft, while underwatered plants will have dry soil and wilted leaves. The pot's weight is a telltale sign; a light pot indicates a need for water.

How often do you water strawflowers? ›

Start with a weekly watering routine, but stay flexible. Strawflowers aren't fans of soggy feet, so let the top inch of soil dry out between sessions. During rapid growth phases, your strawflower might get thirstier, so be ready to adjust.

Do strawflowers attract butterflies? ›

Strawflowers are great attractors to pollinators like bees, and butterflies.

Is Straw annual or perennial? ›

The petals on each strawflower are like stiff paper, and they unfold from the centre to form concentric rings in bright colours. Officially a tender perennial, most gardeners treat them as annuals and simply sow fresh seed each year.

Are strawflowers self-seeding? ›

Ripe seed can be saved and kept dry for sowing the following spring, although named varieties are unlikely to come true from saved seed. Strawflowers may self-seed, although wet and cold UK winters often result in low survival rates.

What flower plants come back every year? ›

Popular types of perennials
Shasta Daisy Extra-long bloom time in full sunLavender Fragrant flowers in early summerHosta Striking foliage in partial shade
Spike speedwell Purple or blue flower spikesDaylily Tough plants will grow in most soilsBee balm Deer resistant with beautiful flowers

How cold can strawflowers tolerate? ›

If I had known that strawflowers had an H2 rating - meaning that they are only hardy down to 34 F and that only happens in a Zone 10b (where they never get a hard freeze) I wouldn't have wasted my time, opting instead for an early spring planting instead.

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