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How to grow and care for Helianthus annuus L.

plant care guide about watering, fertilizing, trimming, repotting, cutting, propagating Helianthus annuus L., Annual sunflower 'Tall Single'

Helianthus annuus 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 Helianthus annuus L.

How often should I water?

check Helianthus annuus 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

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Light & Location

How much light does a Helianthus annuus L. need?

user_site

Bright direct light

Grow light

Light preference

Helianthus annuus 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

Start Light Meter

Temperature

Natural habitat

-15

3~35℃

45

Houseplants

-15

16~24℃

45

Plants that grow in the wild and those that grow indoors prefer different temperatures. If you grow Helianthus annuus L. at home, make sure the temperature is 16~24℃.

Humidity

Ideal humidity

0

40~70%

100

Helianthus annuus 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 Helianthus annuus L. is as follows. - Kingdom: Plantae, Phylum: Tracheophyta, Class: Magnoliopsida, Order: Asterales, Family: Asteraceae, Genus: Helianthus, Species: Helianthus annuus

Characteristic NameCharacteristic Value
LifespanAnnual
Hardiness Zone4 - 9
Taxonomy
Taxonomy NameTaxonomy Value
PhylumTracheophyta
ClassMagnoliopsida
OrderAsterales
FamilyAsteraceae
GenusHelianthus
SpeciesHelianthus annuus

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