How to grow and care for Ageratum houstonianum
plant care guide about watering, fertilizing, trimming, repotting, cutting, propagating Ageratum houstonianum, Mexican paintbrush, Blueweed
Ageratum houstonianum 101 - Plant Care Instructions
Bright direct
16C° ~24C°
Every 7 days
Water
How to water Ageratum houstonianum
How often should I water?
check Ageratum houstonianum Every 7 days if it needs water. when it’s very cold(below 5℃), water less frequently
When do I need to water?
the top 2-3 inches of soil is dry
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 Ageratum houstonianum need?
Bright direct
Bright indirect
Grow light
Light preference
Ageratum houstonianum likes Bright direct light, Bright indirect 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
-15
3~40℃
45
Houseplant temperate preference
-15
16~24℃
45
Plants that grow in the wild and those that grow indoors prefer different temperatures. If you grow Ageratum houstonianum at home, make sure the temperature is 16~24℃.
Humidity
Houseplant temperate preference
0
40~70%
100
Ageratum houstonianum prefers humidity about 40~70%. If necessary, increase humidity by misting, humidifier.
Fertilize
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
| Characteristic Name | Characteristic Value |
|---|---|
| Lifespan | Annual, Perennial |
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