How to grow and care for Centaurea jacea L.
plant care guide about watering, fertilizing, trimming, repotting, cutting, propagating Centaurea jacea L., Meadow knapweed, Julian knapweed
Centaurea jacea L. 101 - Plant Care Instructions
Bright direct light
16C° ~24C°
Every 7 days
Botany Encyclopedia
Family : Asteraceae
🏝️ Habitat Conditions
This plant used to grow on every continent and in all climates, except Antarctica.
🌺 Flower
The central and surrounding flowers bloom closely together, creating the appearance of a single flower that resembles a head shape. This type of flower arrangement is called a capitulum.
water
How to water Centaurea jacea L.
How often should I water?
check Centaurea jacea L. 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 Centaurea jacea L. need?
Bright direct light
Grow light
Light preference
Centaurea jacea L. 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
-15
-12~38℃
45
Houseplants
-15
16~24℃
45
Plants that grow in the wild and those that grow indoors prefer different temperatures. If you grow Centaurea jacea L. at home, make sure the temperature is 16~24℃.
Humidity
Ideal humidity
0
40~70%
100
Centaurea jacea L. 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 Centaurea jacea L. is as follows. - Kingdom: Plantae, Phylum: Tracheophyta, Class: Magnoliopsida, Order: Asterales, Family: Asteraceae, Genus: Centaurea, Species: Centaurea jacea
| Characteristic Name | Characteristic Value |
|---|---|
| Lifespan | Perennial |
| Time to plant | Fall, Spring |
| Taxonomy Name | Taxonomy Value |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Centaurea |
| Species | Centaurea jacea |
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