Optimal Harvesting Practices
Before you can preserve cleavers, proper harvesting is key. The plant is best gathered in the spring and early summer, before it flowers and goes to seed, as this is when its medicinal properties are most concentrated. Look for tender young stems and leaves that are vibrant green. It is crucial to harvest from a clean, pollution-free area. To ensure a sustainable harvest, cut the tops of the plants, leaving the shallow roots undisturbed so they can grow back next season. Due to its sticky nature, cleavers can accumulate dirt and debris, so it must be washed thoroughly after harvesting. A good method is to soak it briefly in a bowl of cold water, swishing it around to dislodge any clingy particles, then rinsing it again under clean running water.
Method 1: Drying for Tea
Drying is a traditional method for preserving cleavers, creating a mild and gentle tea. However, some herbalists note that dried cleavers may lose some potency compared to fresh preparations, so it's a good idea to refresh your supply annually.
Step-by-step drying process:
- Preparation: After washing, pat the cleavers dry with a clean towel and allow it to air-dry for a few hours to remove surface moisture.
- Method 1: Air-Drying: Tie small, loose bunches of the cleavers together with twine. Hang them upside down in a warm, dry, and well-ventilated area away from direct sunlight. Excellent airflow is critical to prevent mold. The process can take two to three weeks until the plants are completely brittle.
- Method 2: Dehydrator: For a faster method, especially in humid climates, lay the cleavers in a single layer on a dehydrator tray. Set the temperature to the lowest setting (ideally below 100°F) to preserve the delicate compounds. Dry until the herbs are crisp and break easily.
- Storage: Once fully dried, crumble the cleavers into small pieces and store in an airtight glass jar or paper bag, out of direct light. Properly stored, dried cleavers can maintain their quality for up to nine months.
Method 2: Freezing for Freshness
Freezing is an excellent option for preserving the fresh vitality and nutrients of cleavers, especially for those who prefer to use it in smoothies or as a fresh juice base.
Freezing cleavers juice cubes:
- Wash and chop the fresh cleavers roughly.
- Blend the chopped cleavers with a small amount of water until it forms a smooth pulp. Some people prefer straining the pulp for a clear juice, while others keep the pulp for fiber.
- Pour the cleavers juice into ice cube trays.
- Freeze the cubes until solid.
- Transfer the frozen cleavers cubes into a freezer-safe bag for long-term storage.
- Usage: Add a cube or two to your smoothies, soups, or rehydrate in hot water for a fresh tea anytime.
Method 3: Creating a Tincture
Making a tincture is one of the most potent methods for preserving cleavers, as alcohol effectively extracts and preserves its medicinal compounds for a very long time.
To make a fresh cleavers tincture:
- Jar Preparation: Use a clean, sterilized glass jar (e.g., a canning jar).
- Filling: Roughly chop fresh cleavers and pack them loosely into the jar. Do not overstuff, but ensure it's a good, full pack.
- Adding Alcohol: Fill the jar to the top with a high-proof alcohol, such as vodka (80-100 proof). The alcohol should completely submerge the plant material. Some herbalists prefer a water-alcohol blend to capture both water- and alcohol-soluble compounds.
- Infusion: Cover the jar tightly and place it in a cool, dark cupboard. Shake the jar daily for the first week, then once a week for the next 6-8 weeks.
- Straining and Bottling: After the infusion period, strain the liquid through a fine-mesh sieve or cheesecloth, squeezing out all the liquid. Transfer the finished tincture into a dark glass dropper bottle.
Comparison of Cleavers Preservation Methods
| Feature | Drying | Freezing (Juice Cubes) | Tincturing | Vinegar Infusion | Infused Oil | Fresh Use |
|---|---|---|---|---|---|---|
| Potency | Lower than fresh, decreases over time | High, locks in freshness | Highest, long-lasting | Medium | For topical use only | Highest |
| Best For | Mild herbal teas | Smoothies, fresh juices | Concentrated medicinal doses | Internal use, dressings, baths | Salves, balms, topicals | Immediate consumption, short-term |
| Shelf Life | ~9 months if stored properly | ~6-9 months in a freezer | Several years | Several months to a year | ~1 year | 1-2 days refrigerated |
| Effort Level | Medium (requires time and monitoring) | Low (quick prep, hands-off) | High (requires patience and shaking) | Medium | Medium | Low |
| Main Use | Warm or cold infusions | Added to beverages | Drops for internal dose | Culinary and internal | Skin applications | Direct consumption or juice |
A Note on Vinegar Infusions
Another option for preserving cleavers, especially for culinary or gentler medicinal use, is a vinegar infusion. Similar to a tincture, this involves infusing the fresh herb in organic apple cider vinegar for several weeks. It creates a versatile, tangy liquid that can be used in salad dressings, added to water, or even in a soothing bath.
Conclusion
Preserving cleavers is a straightforward process with several effective methods available, each with its own advantages. For the highest potency, using the fresh herb immediately is ideal, or opt for a tincture for long-term medicinal storage. If convenience and ease are your priority, freezing the juice into ice cubes is a perfect solution for adding to smoothies and beverages throughout the year. For a simple herbal tea, drying is the classic approach. Regardless of your chosen method, harvesting during the spring peak and following proper sanitation and storage steps will ensure you make the most of this beneficial wild edible. For further research on cleavers' properties, you can explore resources like the Evolutionary Herbalism website.