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Harvesting Plants

There are many parts of a plant used for food and medicine; roots, bark, leaves, flowers, sap and seeds. Learn how and when to harvest.

There is not a one size fits all way to harvest plants, but these are general guidelines for most plants. You still want to study out each plant to see if there are specific guidelines for harvesting. For example, blossoms are usually harvested right before opening before or after the heat of the day, but Calendula are harvested when they are wide open during the day. This is another area you can use your light of Christ to direct the when and how and do not get too caught up in the details.

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Roots

Generally, roots are harvested in the fall after the plant has died back and sent all its energy back into the roots. This is not an absolute, they can also be harvested in the spring or really, anytime of the year. The most potent plant material is in the fall. Plants like common mallow and dandelion can be harvested as you pull them from your yard and garden throughout the year. Some plants you can merely pull up and out of the ground, but most will need to be dug up with a shovel or spade. Brush the dirt off the root, wash under running water and then pat dry. Chop roots before drying.

Bark

Barks should be harvested from the twigs and branches not the main trunk of the tree. “Prune” off a branch of the tree or shrub and then peel the outer bark off. This can be composted or discarded. Peel the next layer, which is the inner bark and where the living medicine is located. You can tell it is living because of the moist, sticky feel to it. This can be dried for future use or prepared fresh.

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Leaves

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Leaves can be harvested anytime of the growing season but are most potent before flowering.  They should be gathered in the morning, after the dew has dried or the evening after the heat of the day when the plant is not depleted.  Aromatic herbs such as basil, thyme, rosemary, etc. should be harvested in the hottest part of the day since the oils are at their strongest. Simply cut what leaves you want off the plant, leaving two thirds of the plant.  Once the plant blossoms, it will work on developing the "fruit and not on foliage, so it is best to keep a plant trimmed until the end of the season if you want to have continual growth for harvesting.

Flowers

Flowers are best harvested right before they open.  If harvesting from a plant that will give you both blossoms and fruit, leave enough blossoms to turn into fruit for a fall harvest. Some flowers like calendula and chamomile (aster family) are harvested when fully open in the middle of the day.

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Sap and Pitch

​ Sap and pitch from trees are best harvested in early spring by drilling a hole through the bark. Insert a straw or similar tube and put the other end in a collectible container. After a week remove the straw and plug with a fitted twig so the sap stops leaking. There is also special equipment you can purchase to do this. For pitch, snap off a twig and the pitch will ooze from the broken end. Sap crystals that form on the bark can also be gathered for this purpose.

Seeds

Most seeds are harvested by allowing them to dry on the plant. Once brown and “crisp” they can be rubbed off or placed in a paper bag or container and shaken to disperse the seeds. Seeds come in many shapes, sizes and forms so this will need to be adjusted from plant to plant.

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Disclaimer: The Information contained on this website is for educational purposes only and as a guideline for your personal use.  It is not intended to replace the advice of a licensed healthcare professional. Those who follow these suggestions do so at their own risk.

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