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Mimosa, also known as Silk tree (Albizia julibrissin, Fabaceae)

Depression is a common psychological and physical health condition. It is difficult to give it a specific definition due to how it affects people differently. One overall characteristic is a decrease or lack of happiness and an absence of enjoyment in daily life. Depression can be temporary or chronic. While some symptoms of depression are a part of the human experience, for many people, these symptoms are long-term, significantly decreasing one’s quality of life. While depression is clinically divided into several categories (major depressive disorder, dysthymia, and others), many of the symptoms are found throughout. 

Rosa rugosa (pink) and Rosa spinosissima hybrid (yellow).
Flowers gathered around Ithaca, New York.

Symptoms include a loss of pleasure or interest in regular activities, lack of motivation, lack of self-worth, fatigue, lethargy, decreased or increased appetite, loss of libido, feelings of hopelessness, difficulty with thinking and making decisions, pessimistic thoughts, sleeping too little or too much, thoughts of death or suicide.

Gotu kola (Centella asiatica, Apiaceae). Gotu kola are the roundish leaves.
You can see one at the center top of the photo.

There are many cross-over symptoms between anxiety and depression, and individuals can cycle through both of them regularly and can also have aspects of both at the same time. 

Rhodiola (Rhodiola rosea, Crassulaceae) outside a home in Homer, Alaska.

There are numerous causes of depression, though the pathological causes are poorly understood. Depression has genetic, biological, and environmental underpinnings. It can be brought on by circumstances, such as a death, or by physical illness, such as chronic pain. Depression can be brought on by medication and other substances. It can also be brought on by various foods and diet. A lack of movement can also cause depression. People can also have depression without any noticeable source.

Tea plants (Camellia sinensis, Theaceae). These are the leaves of green and black (and other) tea being grown at The Ark Botanical Garden outside San Jose, Costa Rica.

There are multiple avenues for treating depression. It can be helpful to see if there is an underlying cause, such as chronic pain, and treating that with pain-relieving and antiinflammatory herbs. Since there is a lack of stimulation associated with depression, using warming, stimulating, and aromatic herbs can be helpful such as Cayenne, Rhodiola, and Lavender. It can also be beneficial to use cognitive-supporting herbs such as Ginkgo or Gotu kola. Some herbs may have a more direct effect on depression, such as St. Johnswort and Mimosa. Since there is often a mix of anxiety symptoms with depression, anxiolytics, and nervines may be helpful. Also consider non-herbal approaches such as dietary changes and movement.

Hot peppers (Capsicum species, Solanaceae). My favorite for preparing medicine
are the Cayenne peppers (Capsicum annuum).

This is a list of therapeutic categories to consider when working with depression. It could be significantly expanded when working with underlying conditions such as pain (analgesics, antiinflammatories), insomnia (sleep aids), or illness (for example, specific medicinal plants for Lyme disease).  

  1. Adaptogen
  2. Antidepressant
  3. Antioxidant
  4. Bioavailability
  5. Cognitive support
  6. Nervine
  7. Spice
  8. Stimulant
Wild rosemary (Salvia rosmarinus, Lamiaceae) growing in the south of France.

Beneficial plants for depression.
This list contains some of the more common plants and categories that may be helpful for depression. It could be greatly expanded when treating some of the underlying causes of depression, such as chronic pain (Jamaican dogwood, Hops), sleeplessness (Valerian, Kava), or illness (for example, Barberry or Oregon graperoot for long-term infections). 

Adaptogens

Ashwagandha-Withania somnifera

Ginseng-Panax quinquefolius

Schisandra-Schisandra chinensis

 
Antidepressant

Lemon balm-Melissa officinalis

Mimosa-Albizia julibrissin
*Caution-Mimosa should not be used for anyone with bipolar disorder, as it can cause manic mood swings. 

St. Johnswort-Hypericum perforatum

 
Antioxidant

Rosemary-Salvia rosmarinus

 
Bioavailability

Cayenne-Capsicum species

 
Cognitive support

Bacopa-Bacopa monnierii

Calamus-Acorus calamus

Ginkgo-Ginkgo biloba

Gotu kola-Centella asiatica

Lion’s mane-Hericium erinaceus

 
Nervine

Chamomile-Matricaria chamomilla

Desert lavender-Hyptis emoryi

Lavender-Lavandula species

Linden-Tilia species

Rose-Rosa species

Tulsi-Ocimum tenuiflorum

 
Spice

Cinnamon-Cinnamomum species

 
Stimulant

Kola nut-Cola acuminata

Maca-Lepidium meyenii

Rhodiola-Rhodiola rosea

Tea-Camellia sinensis

7Song picking St. Johnswort (Hypericum perforatum)
in Michigan.
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