Bitter basil and alkaline soil
I grew some basil this year and it is extremely bitter, with a camphor-like flavor. It also exhibits some interveinal chlorosis due to a soil pH over 8. I amended the soil with sulfur and tilled in compost in the spring but it has been cool and not much pH change has evidently taken place. The plants otherwise are growing fairly vigorously. I was wondering if the bitterness and lack of micronutrients could be linked to each other?