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How to grow calamus

2026-01-01 00:27:33 Home

How to grow calamus

Calamus is a common ornamental plant loved for its unique shape and fresh smell. In recent years, with the rise of home gardening, the cultivation method of calamus has become a hot topic. This article will give you a detailed introduction to the cultivation techniques of calamus based on the hot content on the Internet in the past 10 days.

1. Basic information about calamus

How to grow calamus

Acorus calamus (scientific name: Acorus calamus), also known as water calamus, is a perennial herb of the genus Acorus in the family Araceae. It is native to Asia and Europe and often grows in wetlands or shallow water areas. The leaves of calamus are slender, sword-shaped, and have a unique aroma. They are often used for garden landscaping or potted plants.

PropertiesDescription
scientific nameAcorus calamus
FamilyAraceae Acorus
OriginAsia, Europe
Growth environmentWetlands, shallow water areas
PurposeOrnamental, medicinal

2. How to cultivate calamus

The cultivation of calamus is not complicated, but you need to pay attention to the following points:

1. Lighting requirements

Calamus prefers full sun but tolerates partial shade. During high temperatures in summer, appropriate shade should be provided to prevent the leaves from being burned. In winter, sufficient light is needed to promote healthy growth.

seasonLighting requirements
springFull sun or partial shade
summerHalf shade, avoid direct sunlight
autumnFull sun or partial shade
winterfull sun

2. Moisture management

Calamus likes moisture, but avoid water accumulation. When growing potted plants, the soil should be kept moist and avoid being too dry. If it is hydroponics, you need to change the water regularly to prevent the water quality from deteriorating.

Breeding methodmoisture management
potted plantKeep the soil moist and avoid standing water
HydroponicsChange water regularly to keep water clean

3. Soil selection

Calamus does not have high soil requirements, but loose, fertile, and well-drained soil is preferred. You can use a mixture of humus soil, garden soil and river sand in a ratio of 2:1:1.

soil compositionProportion
humus soil2 servings
garden soil1 serving
river sand1 serving

4. Temperature control

The suitable growth temperature of calamus is 15-25℃. When the temperature is lower than 5℃ in winter, it needs to be moved indoors to keep warm and avoid frostbite.

seasonsuitable temperature
spring15-25℃
summer20-30℃ (need to be shaded)
autumn15-25℃
winterAbove 5℃

5. Fertilizer tips

Calamus does not have high fertilizer requirements, and a thin liquid fertilizer can be applied once a month during the growing season. Stop fertilizing in winter.

seasonFertilizer frequencyFertilizer type
springonce a monthThin liquid fertilizer
summeronce a monthThin liquid fertilizer
autumnonce a monthThin liquid fertilizer
winterstop fertilizing-

3. Common problems and solutions

In the process of cultivating calamus, you may encounter some problems. The following are common problems and solutions that have been hotly discussed by netizens in the past 10 days:

1. Leaves turn yellow

Yellowing of leaves may be caused by insufficient light, excess water, or a lack of nutrients. Solution: Increase light, control watering frequency, and fertilize appropriately.

2. Slow growth

Slow growth may be caused by cold temperatures or soil compaction. Solution: Increase the ambient temperature and replace loose soil.

3. Pests and diseases

Common pests and diseases of calamus include spider mites and aphids. Solution: Check the leaves regularly and spray insecticides if insect infestations are found.

questionPossible reasonsSolution
Leaves turn yellowInsufficient light, excess water, and lack of nutrientsIncrease light, control watering, and fertilize appropriately
slow growthToo low temperature and soil compactionIncrease the temperature and replace the soil
pests and diseasesspider mites, aphidsspray insecticide

4. Summary

Calamus is an ornamental plant that is easy to cultivate. As long as key points such as light, moisture, soil, temperature and fertilization are mastered, it can grow vigorously. I hope this article can provide you with useful breeding guidance to make your calamus more healthy and beautiful.

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