How to Grow Calycanthus Venus - Plant Care & Tips

By NorwichGardener Team   /   2025

Calycanthus venus is a deciduous shrub that is native to North America. It is a member of the family Calycanthaceae, which consists of only two genera. The other genus is Calycanthus, which contains only one species. The family and genera are both monotypic. Calycanthus venus is a large shrub that can grow up to 6 m (20 ft) tall. It has large, dark green leaves that are arranged in opposite pairs. The leaves are ovate-shaped with toothed margins. The flowers are white or pale pink, and they have a strong, sweet fragrance. The fruit is a dark brown, woody capsule that contains numerous small seeds. Calycanthus venus is an attractive plant that is often used in landscaping. It is tolerant of a wide range of soil conditions and does not require much maintenance. The plant is relatively pest and disease free.

How to Grow Calycanthus Venus - Plant Care & Tips

Also called

  • Venus' flytrap
  • Venus flytrap
  • Venus' pitcher plant
  • Venus pitcher plant
  • North American pitcher plant

Basic info

  • Calycanthus venus is a species of flowering plant in the family Calycanthaceae, native to southeastern China.
  • It is a small to medium-sized shrub growing to 1–3 m tall.
  • The leaves are alternate, obovate-elliptic, 7–15 cm long and 3–8 cm broad.
  • The flowers are borne in axillary clusters, each flower 6–8 cm diameter, with nine broadly ovate white petals.
  • The fruit is a fleshy, ellipsoid berry 10–20 mm long, ripening brown and containing numerous small seeds.
  • The berries are poisonous to humans but are eaten by birds.
  • Calycanthus venus is used in traditional Chinese medicine.
  • It is grown as an ornamental plant in gardens, where it is valued for its fragrant flowers.
  • The plant is hardy in USDA hardiness zones 7–
  • It is known as the Venus's-flytrap in China.

How to Grow

  1. For calycanthus venus, first step is to find a good location. The plant needs full sun to partial shade, and well-drained soil.
  2. Clear the area where the plant will be located. Remove any weeds and rocks.
  3. Loosen the soil with a shovel or tiller.
  4. Add organic matter to the soil, such as compost or manure.
  5. Dig a hole that is twice the width and depth of the plant’s root ball.
  6. Place the plant in the hole, and backfill with soil.
  7. Tamp down the soil around the plant.
  8. Water the plant deeply.
  9. mulch around the plant to help retain moisture.
  10. Fertilize the plant every few weeks during the growing season.

Related plant:
Calycanthus

Considering the Soil

About soil condition, Calycanthus Venus can adapt to different types of soils as long as the soil is well drained. It is recommended to use humus-rich soil or soil with high organic content. For best growth, the soil should be moist but not soggy.

Light condition

So, like the other flowering plants, calycanthus venus requires sunlight to produce blooms. The plant should be placed in a spot where it will receive at least six hours of sunlight each day. If you live in an area with long summer days, your calycanthus venus will do best with a few hours of afternoon shade to protect it from the hot afternoon sun.

The Temperature

The temperature condition that is necessary for the growth of calycanthus venus is warm. This plant grows best in temperatures that are between 55 and 75 degrees Fahrenheit. However, it can also tolerate temperatures as low as 40 degrees Fahrenheit. If the temperature gets too cold, the plant will become dormant.

Humidity Level

Ideal humidity condition for this plant is 50-60%. If the humidity is too low, the leaves will start to turn brown and drop off. If the humidity is too high, the plant will start to develop mold and mildew.

Fertilizer Requirement

Mentioning fertilizer, this kind of plant needs more phosphorus which can be provided through a good quality organic fertilizer. If you have calycanthus venus in your garden, make sure to give it a good phosphorus-rich fertilizer in early spring and again in mid-summer. This will encourage the growth of strong roots, lush foliage, and an abundance of flowers.

Light requirement

Pruning is an important part of keeping your calycanthus venus healthy and looking its best. Pruning can be done to remove dead or diseased branches, to promote new growth, or to shape the plant. When pruning, be sure to make clean cuts and avoid damaging the plant.

About Propagating

Propagation of calycanthus venus can be done either by seed or cuttings. For seed, sow the seed in spring or early summer in a well-drained seed bed. transplant the seedlings to their permanent location in fall. For cuttings, take 6-8 inch cuttings of semi-ripe wood in late summer or early fall and root in a well-drained rooting medium.

Growth Rate

Usually, the plant growth rate is determined by the growing season and climate. In general, calycanthus venus grow best in full sun to part shade, and prefer moist, well-drained soils. However, they are somewhat drought tolerant once established. Calycanthus venus typically grow anywhere from 1-3 feet per year.

The Problems

Common problems for this kind of plant are root and stem rot, which can be caused by too much water or humid conditions. The leaves may also yellow and drop off if the plant is not getting enough light.

Growing Tips

  • Do not forget to water your calycanthus venus plant regularly. Keep the soil moist, but not soggy.
  • Place your calycanthus venus plant in an area that receives plenty of sunlight.
  • Fertilize your calycanthus venus plant every few weeks with a balanced fertilizer.
  • Prune your calycanthus venus plant regularly to encourage new growth.
  • Keep an eye out for pests and diseases. Treat them immediately if you see any signs.
  • Bring your calycanthus venus plant indoors during the winter months.
  • Repot your calycanthus venus plant every two or three years.
  • propagate your calycanthus venus plant by taking stem cuttings.
  • Add some organic matter to the soil around your calycanthus venus plant.
  • Enjoy the beautiful flowers your cal

Substitution

  • Cacalia venosa named cajan Root
  • Cacalia venosa named cajan Root
  • Canthium venosum named cajan Root
  • Canthium venosum named cajan Root
  • Calycanthus venus named cajan Root
  • Calycanthus venus named cajan Root
  • Calycanthus venus named cajan Root
  • Canthellus venosus named cajan Root
  • Canthellus venosus named cajan Root
  • Canthellus venosus named cajan Root

Source:
JC Raulston Arboretum - Our Plants - Calycanthus 'Venus'
Calycanthus occidentalis | Landscape Plants - Oregon State …
Sweetshrub - Calycanthus 'Aphrodite' PP 24,014 | North Carolina ...

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Reviewed & Published by Richelle
Submitted by our contributor
Shrubs Category