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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The titan arum is striking to look at and notorious for smelling like rotting flesh. That foul odor is part of its pollination strategy: it helps attract insects that visit carrion. Often called the corpse flower, it is also easy to misidentify—its towering display is a cluster of many small flowers, not one giant bloom.
Why does the corpse flower smell so bad?
Titan arum (Amorphophallus titanum), native to Sumatra, Indonesia, produces an odor that resembles rotting flesh. Flies and beetles associated with carrion are among the insects it attracts; sources also mention sweat bees. The smell and the bloom’s dark red, flesh-like appearance work together to make the plant resemble a decaying food source. Pollinators and their precise importance to the plant are still being studied.
The odor comes from a mixture of compounds, not one chemical alone. The Harvard Arnold Arboretum identifies dimethyl trisulfide and dimethyl disulfide, as well as trimethylamine and isovaleric acid. These compounds are associated with smells compared to rotting cabbage or onions, rotting fish, and sweaty gym socks. Harvard Arnold Arboretum’s titan arum FAQ explains that, rather than advertising food resources with petals, the plant uses a scent like rotting flesh.
The plant also warms its flowering structure, helping volatile odor compounds disperse. UC Riverside Botanic Gardens says the spadix can heat to about 16°F above ambient temperature; UC Davis Botanical Conservatory reports temperatures up to 37°C (99°F). These institutional descriptions explain how warmth contributes to scent release, but they do not establish a reliable distance at which the smell can be detected.
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- The Corpse Flower, also known as Amorphophallus titanum or titan arum, is the world’s largest unbranched inflorescence (cluster of flowers on a main stem). This cluster of flowers is wrapped in a tall green spathe, surrounded by a deep burgundy bloom resembling the color and texture of flesh. This, along with the pungent odor make it memorable.
- Carnivorous Plant. These flowers usually take 7-10 years to bloom for the first time, and then can re-bloom every 3-5 years afterward, usually in the summer.
- Best Grown in a Greenhouse or Inside in Pots. They eventually have a large corm underground. See the Product Details on this listing.
- Soak the seed and press gently into damp soil until covered. Keep Moist. A plastic dome over the pot will keep it moist. These flowers are native to Sumatra and Borneo.
- Marde Ross & Company has been a Licensed California Nursery since 1985.
Is the titan arum one flower?
No. The conspicuous structure is an inflorescence: many small flowers clustered on a central stalk called a spadix, with a leaf-like sheath called a spathe around it. The individual flowers are small and grow near the base of the spadix, inside the spathe. Harvard describes the unbranched inflorescence as reaching up to 3 metres tall.
Its flowering sequence helps limit self-pollination. Female flowers become receptive before male flowers release pollen. An insect carrying pollen from another inflorescence can therefore deposit it on receptive female flowers before the same bloom sheds its own pollen.
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- For germination temperature: 16-32℃
- Type: Hibiscus Seeds
- Style: perennial
How does it compare with Rafflesia?
Titan arum and Rafflesia arnoldii are different plants, and their famous blooms are different structures. Titan arum is known for having the world’s largest unbranched inflorescence; Harvard identifies Rafflesia arnoldii as the largest single flower, at about one metre across. That is an anatomical comparison, not a ranking of which species smells worse: the available sources do not provide comparable scent measurements for such a ranking.
How long does the smell last?
The scent peaks around the time the inflorescence opens and fades quickly. Harvard Arnold Arboretum and UC Davis Botanical Conservatory describe a typical flowering period of roughly 24–48 hours. Individual blooms can vary, so that range is not a guarantee for every plant.
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- Dazzling Long-Lasting Blooms: Produces abundant, trumpet-shaped flowers that bloom continuously from spring to fall, infusing gardens, balconies, or patios with non-stop vibrancy
- Beginner-Friendly Cultivation: Requires minimal effort to grow! Thrives in full sunlight (6+ hours daily) and well-drained soil—simply sow directly outdoors after the last frost or start indoors 6-8 weeks early for earlier blooms
- Sowing rate: 2-3 seeds per plant. Start seeds indoors 4-6 weeks before the last expected frost.
- Versatile Planting Options: Ideal for various scenarios—perfect for hanging baskets, window boxes, flower beds, or container gardens. Its trailing and mounding growth habits add depth to vertical gardens or edge borders, fitting any outdoor decor style
- Heat & Drought Tolerant: Built to withstand hot summer temperatures (suitable for USDA zones 9-11) and mild drought once established. Maintains lush blooms even in warm climates, reducing the need for frequent watering and making it a low-maintenance choice
Why is the corpse flower difficult to grow?
Flowering can take years of growth, and the plant needs warm, humid conditions. Harvard says 7–10 years of leaf growth may be needed before the corm can produce an inflorescence. Royal Botanic Garden Edinburgh’s growing conditions illustrate the demands: its plant is kept in a tropical greenhouse at around 21–25°C by day and about 80% humidity, in a 1,000-litre pot. The Garden says growing one at home would be difficult, though not impossible; those greenhouse conditions are its own setup, not a universal growing recipe.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is the titan arum endangered?
Yes. Missouri Botanical Garden identifies titan arum as Endangered in the wild and native to Sumatra. UC Riverside Botanic Gardens reported an estimate of about 1,000 wild individuals in a 2022 explainer, while Harvard’s undated FAQ describes fewer than 1,000. These are source-attributed estimates, not a current census. Institutions cite habitat conversion, deforestation, illegal logging, and overcollection among the pressures; the available accounts do not establish that any single factor explains the plant’s rarity.
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- Moonflower grows best in moist, well-draining conditions, with six hours of full sunlight, slightly acidic to neutral soil, and temperatures above 60°F.
- Moonflower is best planted in the spring in a full-sun location after the danger of frost has passed.
- It can also grow in hanging containers or as a ground cover. This vining plant likes to climb, so provide a trellis or support structure.
- Moonflower grows best in full sun, meaning at least six hours of direct sunlight on most days.
- Moonflower likes a moderate amount of soil moisture. Water young plants regularly so their soil stays moist but not soggy.
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- 6,000 PREMIUM HEIRLOOM SEEDS: These high-quality American seeds possess leadership qualities for planting a classic heirloom variety with spectacular blue flowers. They promote sustainable growth and adaptation. Fresh, open-pollinated seeds for your gardens, beds, borders, and meadows.
- SAPPHIRE-BLUE GARDEN TREASURE: A beautiful and unusual plant with delicate sapphire-blue flowers. Large, fringed basket-like inflorescences are famous for their intricate bud carving and bright blue color effect. Petal shades range from sky blue to lilac-purple.
- THE BLUEST IN THE FLORAL KINGDOM: These whimsical flowers resemble miniature carnations with the famous indigo hue. This bold color adds unique flair to romantic country-style gardens and creates a multi-layered, textured look as a contrast to other wildflowers.
- TALL, GRACEFUL, AND PROLIFIC: Captivating waves of saturated violet-blue pompons sway on sturdy, downy stems with silvery foliage. A long growing season guarantees months of dynamic beauty, keeping gardens bright and alive with continuous blooming until frost.
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