Basil 'Dark Opal'
Ocimum basilicum
Plantings (27)
Stashed (13)
Where to buy
Available to Swap
Where it grows?Dark Opal is a variety of Basil
Latest Plantings of Basil 'Dark Opal'
The Basil 'Dark Opal' Plant Wiki
All details have been kindly provided by our members.
How to keep Dark Opal happy
Pinch terminal shoots to encourage branching.
Harvest leaves before flowering occurs, or they will be bitter.
How to sow and germinate Dark Opal
Cover with finely sieved compost.
How to transplant Dark Opal
Plant out when frost risk has passed.
How long does Dark Opal take to grow?
These estimates for how long Basil 'Dark Opal' 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!
How to harvest Basil
Companion plants for Basil
These plants will grow well with Basil:
chamomile, anise
Repellent plants for Basil
These plants will not grow well with Basil so avoid planting these within close proximity:
common rue, sage
Common Basil pests
These pests are known to attack Basil plants:
Common Basil diseases & problems
These problems and diseases are known to effect Basil plants:
When should I sow or plant Dark Opal?
These estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!
Basil 'Dark Opal' Etymology
The word basil means “king” in Greek – it is believed to have grown above the spot where St. Constantine and Helen discovered the Holy Cross.
Basil 'Dark Opal' Folklore
Jewish folklore says that basil adds strength while fasting.
Other Names for Basil 'Dark Opal'
Footnotes
Folia Plant Wiki by Folia is licensed under a Creative Commons Attribution-Share Alike 3.0 Unported License.
Sold by 
Buzz buzz buzz!
Listen in on the Grapevine