United States Edition

Fennel 'Sirio'

Foeniculum vulgare

Belonging to the Foeniculum genus (Foeniculum vulgare 'Sirio'), Sirio is a variety of Fennel. Sirio grows as a Perennial and is a Herb. Being a Perennial, it tends to grow best over several years (approx 3 years and greater). Sirio is known for its Forb habit and growing to a height of approximately 1.80 metres (5.85 feet).

This plant info is provided by the myfolia gardener's wiki. All details about Fennel 'Sirio' have been kindly provided by our members.

How to grow Fennel 'Sirio'

  • Full Sun

    +
  • Medium

A full sun position will ensure your plant thrives and remember to water moderately. Keep in mind when planting that Sirio is thought of as hardy, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea). Use USDA Hardiness Zone 4 - 9 as your guideline for the appropriate climate for this plant. A soil ph of between 6.1 and 7.8 is ideal for Sirio as it does best in weakly acidic soil - weakly alkaline soil.

Growing Sirio from seed

Aim to sow 0.25 inches (0.64 cm) deep and try to ensure a gap of at least 0.98 inches (2.5 cm).

Transplanting Sirio

As Sirio is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.

Harvesting Sirio

Fennel 'Sirio' information

How long does Sirio take to grow?

These estimates for how long Fennel 'Sirio' takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

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