Botanical that are used for anxiety include:

• Kava 
• Passion flower
• Valerian
• Chamomile
• Lavender 
• Lemon balm

All of the above-mentioned botanicals have shown to be effective for anxiety but show side effects like nausea, abdominal pain etc.

Botanicals that are used for insomnia include:

• Valerian root
• Chamomile
• Hops
• Lemon balm and passion flower

All of these herbs could also cause side effects like nausea, vomiting, allergic reactions (chamomile) etc and should be considered before use.

Resources:

Bauer, B.A. (2018). Herbal treatment for anxiety: Is it effective? [online] Mayo Clinic. Available at: https://www.mayoclinic.org/diseases-conditions/generalized-anxiety-disorder/expert-answers/herbal-treatment-for-anxiety/faq-20057945 [Accessed 30 Apr. 2021].

WebMD. (2020). Alternative Treatments for Insomnia. [online] Available at: https://www.webmd.com/sleep-disorders/alternative-treatments-for-insomnia [Accessed 30 Apr. 2021].