Chrysanthemum
A fall-blooming perennial with daisy-like flowers in warm tones that provides late-season color when other flowers fade.
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Meet Chrysanthemum
A fall-blooming perennial with daisy-like flowers in warm tones that provides late-season color when other flowers fade. Pinch stems back by half in early summer to promote bushier growth and more abundant blooms in autumn. Garden mums are hardy perennials when planted in spring and given time to establish roots before winter, unlike florist mums sold in fall. Provide well-drained soil and good air circulation to prevent foliar diseases, and divide clumps every two to three years to maintain vigor.
When to plant Chrysanthemum
Chrysanthemums are most easily propagated by division in early spring. Dig the clump, discard the woody center, and replant vigorous outer divisions twelve to eighteen inches apart. Stem cuttings taken in late spring root readily: cut four-inch tips from healthy shoots, remove lower leaves, dip in rooting hormone, and insert in moist perlite. Cuttings root in three to four weeks under bright indirect light. Seeds can be started indoors eight to ten weeks before the last frost, but named varieties do not come true from seed.
Your Chrysanthemum Year
Composed for Zone 7 · typical seasons · frost passes Apr 2, returns Nov 1
Sow Chrysanthemum Apr – May, pick Sep – Nov. Set your climate below and every date on this plate re-times itself.
How to grow Chrysanthemum
Plant chrysanthemums in spring rather than fall to give roots time to establish before winter. Choose a site with full sun and well-drained soil enriched with compost. Space plants eighteen to twenty-four inches apart and water deeply at planting. Garden mums planted in spring and pinched through the season are far hardier than fall-purchased florist mums, which often lack the root system to survive winter.
The key to bushy, floriferous mums is repeated pinching. Begin pinching when new growth is six inches tall, removing the top inch of each shoot. Continue pinching every two to three weeks until mid-July in most climates, or until about one hundred days before the desired bloom date. Each pinch doubles the number of growing tips and future flower buds.
Water consistently throughout the growing season, providing about one inch per week. Apply a balanced liquid fertilizer every two weeks from planting through July, then switch to a high-phosphorus formula to promote bud development. After the first hard frost kills the foliage, cut stems back to about four inches and apply a thick layer of mulch. In spring, remove dead center portions and transplant vigorous outer sections to maintain healthy, productive clumps.
10 plants fit a 4 × 8 ft bed
Each Chrysanthemum wants 45 cm of elbow room. The planner keeps that spacing for you — every plant, every bed.
Chrysanthemum's best neighbours
Chrysanthemums are excellent companions for fall gardens when planted alongside asters, sedums, and ornamental grasses for a multi-textured autumn display. Their late-season blooms provide vital nectar for migrating butterflies and late-foraging bees. The pyrethrin compounds naturally present in chrysanthemum foliage have insect-repelling properties, making them useful near vegetable gardens. Pair with spring-blooming bulbs so mum foliage hides dying bulb leaves in early summer.
Marigold belongs beside it. Fennel doesn't.
Old growers' knowledge, checked against Chrysanthemum's real companion table below — test any plant you're growing.
Related growing guides
Feed it well
Chrysanthemums prefer fertile, well-drained soil with a pH of 6.5 to 7.0. Good drainage is critical, especially over winter, as waterlogged roots are the primary cause of winter mortality. Amend heavy soils with compost and perlite to improve drainage. Feed with a balanced fertilizer every two weeks from spring through July, then switch to a low-nitrogen, high-potassium formula to harden growth for winter. Avoid feeding after August in cold climates.
Ideal Temperature
Hardiness Zone Compatibility
From seed to harvest, stage by stage
Seed Germination or Cutting Establishment
Chrysanthemum seeds are sown on the surface of moist seed-starting mix and lightly pressed in, as they require light to germinate. Germination takes 7-14 days at 18-21°C (65-70°F). Alternatively, stem cuttings taken from overwintered stock plants root in 10-14 days when placed in a well-draining medium under high humidity. Cuttings are the preferred propagation method for named cultivars, as they produce true-to-type plants.
Seedling and Vegetative Growth
Young plants develop their characteristic deeply lobed, aromatic dark green foliage. Stems thicken and lateral branches begin forming naturally. The root system expands rapidly, and plants grow 15-30 cm tall during this stage. Leaves release a distinctive spicy-herbal scent when touched. This is the critical period for shaping the plant through pinching.
Rapid Vegetative Growth
Plants enter a vigorous growth phase, rapidly filling out into rounded mounds of foliage 40-60 cm tall and equally wide. The extensive root system demands consistent moisture and nutrients. Stems become woody at the base while remaining flexible and green higher up. The plant is actively storing energy for the coming bloom period.
Bud Formation
As day length decreases below approximately 14.5 hours, chrysanthemums initiate flower bud development. Tight green buds form in clusters at the tips of every branch. The plant redirects energy from vegetative growth to reproductive development. Buds gradually swell and show the first hints of petal color in the final days of this stage.
Flowering
Chrysanthemums burst into full bloom, displaying flowers in an extraordinary range of forms — from tight pompons and quilled spiders to broad decorative and anemone types. Colors span white, yellow, gold, orange, bronze, red, pink, lavender, and purple. Individual flowers last 2-4 weeks on the plant. The entire display period can extend 4-6 weeks depending on variety and weather conditions.
Post-Bloom and Dormancy Preparation
After flowering finishes, the plant begins to wind down for winter. Foliage yellows and stems dry back naturally. Below ground, the root crown and any new basal shoots remain alive, storing energy for the following season. In mild climates, small basal rosettes of new foliage may persist through winter.
Keep the seed-starting mix consistently moist but not waterlogged. Use a humidity dome or plastic wrap to maintain moisture levels. For cuttings, dip the cut end in rooting hormone and place in perlite or a 50/50 peat-perlite mix under indirect light.
Caring for Chrysanthemum month by month
What to do each month for your Chrysanthemum
July
You are hereNo specific care tasks for this month.
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One email at the start of each month: what to sow, plant, and tackle right now — for your Chrysanthemum and everything growing around it. Plus a short starter course that helps you dodge the classic mistakes.
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Harvesting Chrysanthemum
Cut chrysanthemum stems for arrangements when flowers are about half to fully open. Use sharp, clean shears and cut in the morning after the dew has dried. Strip lower foliage that would sit below the waterline. For longer vase life, split the woody stem ends with a knife or hammer them gently to improve water uptake. Deadhead spent flowers throughout the fall to keep plants producing new buds and maintain a tidy appearance.
assuming you sow when the window opens — set your real date
Pick Chrysanthemum promptly and the plant keeps producing.
Storage & Preservation
Fresh chrysanthemums last an impressive two to three weeks in a vase, making them among the longest-lasting cut flowers. Change water every two days and recut stems. To dry mums, pick fully opened flowers and hang upside down in a dark, well-ventilated space for three weeks. Dried chrysanthemums retain their shape well but colors may darken. Chrysanthemum petals can also be pressed for craft projects, preserving their characteristic daisy-like form beautifully.
What goes wrong — and the fix
Aphids
PestDense colonies of small green, black, or brown insects clustered on growing tips, buds, and young leaves. Sticky honeydew residue and distorted new growth.
Chrysanthemum White Rust
DiseasePale yellowish spots on upper leaf surfaces with white to pink pustules on the undersides. A regulated disease in many areas that can spread rapidly.
Spider Mites
PestStippled, bronzed, or yellowed leaves with fine webbing visible on undersides. Plants appear dusty and stressed, especially in hot, dry weather.
Leaf Spot
DiseaseCircular dark brown or black spots on lower leaves, gradually moving upward. Heavily spotted leaves yellow and drop, weakening the plant.
Troubleshooting Common Problems
The most frequent complaint is fall-purchased mums dying over winter. This occurs because they lack established root systems and should be treated as annuals unless planted in spring. Leggy, floppy growth results from insufficient pinching or too much shade. Plants that stop blooming midseason often need division, as overcrowded clumps deplete soil nutrients rapidly. Foliar diseases are common in humid conditions and are best prevented by proper spacing and watering at the base.
Growing Tips
- Plant chrysanthemums in full sun with at least 6 hours of direct sunlight per day. Insufficient light produces leggy, weak-stemmed plants with fewer flowers and increased susceptibility to fungal diseases.
- Choose a planting site with excellent drainage, as chrysanthemums are highly sensitive to waterlogged soil. Raised beds or amended clay soil with compost and perlite dramatically improve drainage and root health.
- Begin pinching plants when they reach 15 cm tall and continue every 2-3 weeks until mid-July. Each pinch doubles the number of flowering stems, turning a single-stem plant into a dense, rounded mound covered in blooms.
- Space plants 45-60 cm apart to ensure adequate air circulation, which is essential for preventing powdery mildew, leaf spot, and botrytis — the three most common chrysanthemum diseases.
- Water consistently at the base of plants, delivering about 2.5 cm per week. Overhead watering wets the foliage and encourages fungal diseases. Drip irrigation or soaker hoses are ideal.
- Apply a balanced fertilizer every two weeks during the growing season, switching to a high-phosphorus formula in August to promote bud formation. Stop fertilizing once buds show color to avoid soft, frost-tender growth.
- Stake tall varieties early in the season using bamboo canes, peony rings, or grow-through supports. Heavy-headed blooms on unsupported stems are vulnerable to lodging in autumn wind and rain.
- Divide established chrysanthemum clumps every 2-3 years in early spring when new shoots are 5-8 cm tall. Discard the woody center of the old clump and replant only the vigorous outer divisions.
- For the longest vase life, cut chrysanthemum stems in the morning when flowers are about three-quarters open. Strip lower leaves, make a fresh diagonal cut, and place stems immediately into lukewarm water with floral preservative.
- Protect plants from early autumn frosts by covering them with floating row cover or old bedsheets on cold nights. Many chrysanthemum varieties can survive light frosts, but open blooms are damaged by temperatures below -2°C (28°F).
Pick your Chrysanthemum
Clara Curtis
A hardy garden chrysanthemum with fragrant, daisy-like pink flowers blooming from late summer through fall. Exceptional winter hardiness and spreading habit.
Sheffield Pink
A classic hardy mum with apricot-pink single flowers that age to a soft salmon. Extremely reliable and naturalizes well in perennial borders.
Mammoth Series
University-bred garden mums with extraordinary cold hardiness and mounding habit. Available in red, yellow, coral, daisy, and lavender forms.
Football Mum
Large exhibition-type chrysanthemums with massive incurved globular blooms. Requires disbudding and special care but produces spectacular show flowers.
Chrysanthemum 'Mary Stoker'
A heritage variety with apricot-yellow single flowers and excellent garden performance. Reliable perennial habit and attractive to late-season pollinators.
A single chrysanthemum plant purchased for a few dollars can be divided every 2-3 years into 4-6 new plants, and stem cuttings root easily in spring, allowing gardeners to fill entire borders at virtually no cost. Compared to buying fresh-cut chrysanthemums from florists at $5-15 per bunch, home-grown plants provide weeks of cut flowers throughout autumn. Growing your own also gives access to hundreds of unusual cultivars unavailable in retail stores, and dried flowers for tea can replace commercially packaged chrysanthemum tea that typically costs $8-15 per box.
Quick recipes
Classic Chrysanthemum Tea
5 minA soothing, lightly floral tea made from dried chrysanthemum flower heads, traditionally enjoyed in China and throughout East Asia. The pale golden infusion has a delicate sweetness and subtle honey-like aroma. Served hot or chilled, it is caffeine-free and considered cooling in traditional Chinese medicine.
4 ingredientsChrysanthemum Petal Salad with Citrus Dressing
15 minA fresh and elegant salad featuring raw chrysanthemum petals tossed with mixed greens, toasted sesame seeds, and a bright citrus dressing. The edible petals add a mild, slightly peppery flavor and a splash of color. Use only unsprayed, food-safe chrysanthemum varieties for culinary purposes.
7 ingredientsChrysanthemum and Goji Berry Jelly
20 min plus 3 hours settingA delicate, jewel-toned jelly made by steeping chrysanthemum flowers to create a fragrant golden base, then setting it with agar-agar. Goji berries suspended in the jelly add pops of color and subtle sweetness. This light dessert is popular in East Asian cuisine as a refreshing end to a meal.
6 ingredientsCulinary Uses
Chrysanthemum petals and leaves have a long history in Asian cuisine. The small-flowered culinary varieties are used to make chrysanthemum tea, a popular beverage in China and Japan believed to have cooling properties. Fresh petals add a slightly peppery, tangy flavor to salads and soups. Blanched chrysanthemum greens are eaten as a vegetable in Japanese cuisine, known as shungiku. Use only organically grown, food-grade chrysanthemum varieties for culinary purposes.
What's inside
Health Benefits
- Chrysanthemum tea has been used in traditional Chinese medicine for centuries to help reduce inflammation, soothe sore throats, and ease headaches associated with colds and flu
- The flavonoids luteolin and apigenin found in chrysanthemum flowers have demonstrated anti-inflammatory and antioxidant effects in laboratory studies, potentially supporting cardiovascular health
- Chrysanthemum extracts have shown promise in preliminary research for helping to lower blood pressure and reduce cholesterol levels, though more human clinical trials are needed
- Traditional use and some modern studies suggest chrysanthemum tea may help relieve eye strain and support overall eye health, particularly when consumed regularly as part of a balanced diet
- The natural pyrethrin compounds in chrysanthemum flowers serve as a plant-based insect deterrent, reducing the need for synthetic pesticides in gardens where chrysanthemums are interplanted with edible crops
- Chrysanthemum tea is caffeine-free and mildly calming, making it a suitable evening beverage that may support relaxation and improved sleep quality without the stimulant effects of caffeinated teas
Where Chrysanthemum comes from
The chrysanthemum (Chrysanthemum spp.) traces its origins to East Asia, with the earliest records of cultivation appearing in China around 500 BCE. Chinese gardeners selected wild species from the region, primarily Chrysanthemum indicum and Chrysanthemum morifolium, breeding them for larger and more colorful blooms. The flower held deep cultural significance, representing autumn, longevity, and nobility, and was celebrated alongside the plum blossom, orchid, and bamboo as one of the Four Gentlemen of Chinese art and literature. By the 8th century CE, chrysanthemums had traveled to Japan, where they were adopted with great enthusiasm by the imperial court. The flower became so integral to Japanese culture that a chrysanthemum throne was established as the symbol of the emperor, and an annual Festival of Happiness was held each autumn to celebrate the bloom. Japanese cultivators developed hundreds of new forms, from cascading types trained over frames to precise single-stem exhibition plants. European travelers brought chrysanthemums westward in the 17th century, with the first documented arrival in the Netherlands around 1688. By the 19th century, chrysanthemum breeding had become a passion across Europe and North America, with horticultural societies hosting competitive exhibitions that drove the development of ever more elaborate bloom forms. Today, the chrysanthemum is one of the most commercially important ornamental plants in the world, ranking among the top cut flowers sold globally alongside roses, tulips, and carnations. Modern breeding programs continue to expand the palette of colors, forms, and disease resistance available to gardeners and commercial growers alike.
Chrysanthemum: did you know?
Fascinating facts about Chrysanthemum
Chrysanthemums have been cultivated in China for over 2,500 years, originally as a flowering herb prized for its believed power to grant longevity and vitality.
Chrysanthemum questions, answered
When should I plant Chrysanthemum?
What are good companion plants for Chrysanthemum?
What hardiness zones can Chrysanthemum grow in?
How much sun does Chrysanthemum need?
How far apart should I space Chrysanthemum?
What pests and diseases affect Chrysanthemum?
How do I store Chrysanthemum after harvest?
What are the best Chrysanthemum varieties to grow?
What soil does Chrysanthemum need?
Are chrysanthemums perennial or do I need to replant them every year?
When and how should I pinch chrysanthemums for the best flowering?
Why are my chrysanthemums blooming too early or too late?
How can I use chrysanthemums as a natural pest deterrent in my garden?
Can I grow chrysanthemums in containers, and how do I care for them?
Are all chrysanthemums edible, and how do I use them in cooking?
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From the “Overview” sectionPlant these alongside Chrysanthemum
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