Identify, Get Care & Grow Healthy Plants with Us!

Plant Identifier

Giant Fennel

Giant Fennel Care

Ferula Glauca

Giant Fennel main

Giant Fennel 0

Giant Fennel 1

What is the plant

Ferula communis ssp. glauca is a Mediterranean native that makes a big, bodacious statement in the garden, first with its silvery-black, lacy, see-through foliage then, in the second season, the foliage extends upward to 6' tall, topped by a 3' branched, firework-like inflorescence of yellow flower balls.

Invasive in Italy.

If you’ve recognized any mistakes feel free to notify us about it. This would help us to provide only the best-quality information.

Humidity

Normal

Lighting

Full Sun

Hardiness zone

6a - 9b

Difficulty

Medium

Hibernation

Cold Period

Toxicity

Poisonous

How to Care for the Plant

Water
Water occasionally.
Fertilizer
You can fertilize the plant every spring using a general, all-purpose mixture.
Sunlight
Best grown in full sun to part shade.

Disease diagnosis

Check your plant’s health

Ease your plant care routine with PlantIn's personalized system.

Soil
Best grown in fertile, organically rich, continuously moist to boggy soils. // Grows in fertile, organically rich, continuously moist to boggy soils. // Perform well in most types of soil.
Temperature
Ideal temperatures should be approximately 65-75ºF + (18-24ºC +), closer to 70ºF is best.
Container
Large plants can be top heavy and should be in a sturdy pot that isn’t easily tipped.

Ease your plant care routine with PlantIn's personalized system.

Additional
Fennel essential oil is extremely toxic (neurotoxic) and for this reason its ingestion is not recommended.

What's wrong with your plant?

Ease your plant care routine with PlantIn's personalized system.

Share

Related plants

Discover more plants with the list below

Vanda

Orquidia Vanda

Virginia rose

Rosa virginiana

Turnsole

Heliotropium indicum

Urchin Cactus

Echinopsis

Vanda

Orquidia Vanda

Virginia rose

Rosa virginiana

Turnsole

Heliotropium indicum

Urchin Cactus

Echinopsis

Popular articles

Popular articles

How to Grow Magic Mushrooms?

Mar 28 · 9 min read

How to Grow Magic Mushrooms?

This is the only guide you’ll ever need to start growing psilocybin mushrooms. Buckle up and grab your wand, it’s time for a lesson in responsible herbology.

How to Use Coffee Grounds for Plants in Your Garden

May 4 · 5 min read

How to Use Coffee Grounds for Plants in Your Garden

Coffee contains a lot of micronutrients and is used as an organic fertilizer for plants. But you can not just pour it into the soil, it is necessary to know all the nuances of such fertilizer.

Full Guide on DIY Banana Peel Water for Plants

Jan 10 · 7 min read

Full Guide on DIY Banana Peel Water for Plants

Banana water is an easy and effective way to give your plants low doses of nutrients throughout the year. Continue reading to learn how to make banana fertilizer from ingredients you already have!

Best Indoor Plants That Don’t Need Sunlight

Feb 22 · 7 min read

Best Indoor Plants That Don’t Need Sunlight

Mostly we place plants somewhere where they can get enough bright indirect or direct sunlight. But what to do if you want to make the dark corners of your house more alive?

Top-Notch Lists of Cute Plant Names for Your Growing Green Baby

Apr 21 · 5 min read

Top-Notch Lists of Cute Plant Names for Your Growing Green Baby

A lot of people choose names for plants as they are pets and family members. We have some funny ideas to help you with the struggle of choosing.

Want more articles?