How to grow and care for Helianthus annuus
plant care guide about watering, fertilizing, trimming, repotting, cutting, propagating Helianthus annuus, Annual sunflower
Helianthus annuus 101 - Plant Care Instructions
Bright indirect light
20C° ~28C°
Every 7 days
Growth Observation wiki
blooming
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 Helianthus annuus
How often should I water?
check Helianthus annuus 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
Light & Location
How much light does a Helianthus annuus need?
Bright indirect light
Grow light
Light preference
Helianthus annuus likes 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 ~ 10K lux to thrive!
0
20K~
2K
10K
Temperature
Houseplants
-15
20~28℃
45
Plants that grow in the wild and those that grow indoors prefer different temperatures. If you grow Helianthus annuus at home, make sure the temperature is 20~28℃.
Humidity
Ideal humidity
0
40~70%
100
Helianthus annuus 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 Helianthus annuus is as follows. - Kingdom: Plantae, Phylum: Tracheophyta, Class: Magnoliopsida, Order: Asterales, Family: Asteraceae, Genus: Helianthus, Species: Helianthus annuus
| Characteristic Name | Characteristic Value |
|---|---|
| Habitat | North America |
| Taxonomy Name | Taxonomy Value |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
| Species | Helianthus annuus |
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