How to grow and care for Cynanchum laeve (Michx.) Pers.
plant care guide about watering, fertilizing, trimming, repotting, cutting, propagating Cynanchum laeve (Michx.) Pers., Climbing milkweed, Smooth swallow-wort
Cynanchum laeve (Michx.) Pers. 101 - Plant Care Instructions
Bright direct light
16C° ~24C°
Every 14 days
Botany Encyclopedia
Family : Apocynaceae
🏝️ Habitat Conditions
Plants in this family primarily grew in tropical regions. Some species are also found in tropical dry areas.
👀 Characteristics details
Most leaves grow in pairs, emerging at right angles to the leaves below.
🌺 Flower
The flower is radially symmetrical and blooms alone, either at the tip of the stem or from the leaf axils.
water
How to water Cynanchum laeve (Michx.) Pers.
How often should I water?
check Cynanchum laeve (Michx.) Pers. Every 14 days if it needs water when it’s very cold (below 5℃), water less frequently
When do I need to water?
The soil should be at least 90% dry before watering again. this means about every 2 weeks in the warm season and about every 4 weeks in the cold season
Signs that it really needs water
leaves look a little wrinkled
When is the Dormant period?
it goes into dormancy in the Winter. during the period, 1.5~2x the watering interval you use in the warm season.
Light & Location
How much light does a Cynanchum laeve (Michx.) Pers. need?

Bright direct light
Grow light
Light preference
Cynanchum laeve (Michx.) Pers. likes Bright direct light, Grow light day. The brighter the space, the better this plant grows.
Check if there’s an optimal place in your house!
This plant prefers
2K ~ 20K lux to thrive!
0
20K~
2K
20K
Temperature
Natural habitat
-22
-22~35℃
45
Houseplants
-15
16~24℃
45
Plants that grow in the wild and those that grow indoors prefer different temperatures. If you grow Cynanchum laeve (Michx.) Pers. at home, make sure the temperature is 16~24℃.
Humidity
Ideal humidity
0
40~70%
100
Cynanchum laeve (Michx.) Pers. prefers humidity about 40~70%. If necessary, increase humidity by misting, humidifier.
Fertilize
Collective Knowhow
When should I fertilize?
Only when your plant is healthy
How frequently should I fertilize?
1-2 times in growing season. A pinch for a small pot.
Characteristic
The taxonomic classification of Cynanchum laeve (Michx.) Pers. is as follows. - Kingdom: Plantae, Phylum: Tracheophyta, Class: Magnoliopsida, Order: Gentianales, Family: Apocynaceae, Genus: Cynanchum, Species: Cynanchum laeve
Characteristic Name | Characteristic Value |
---|---|
Lifespan | Perennial |
Taxonomy Name | Taxonomy Value |
---|---|
Phylum | Tracheophyta |
Class | Magnoliopsida |
Order | Gentianales |
Family | Apocynaceae |
Genus | Cynanchum |
Species | Cynanchum laeve |
Is Cynanchum laeve (Michx.) Pers. toxic?
Cynanchum laeve (Michx.) Pers. is dangerous to Dog
Dog
Is your plant sick?
Track what happened. We’ll let you know the cause and treatment shortly!





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