Kinnu

Harvesting

Harvesting basics

Harvesting is a critical stage in the gardening process if you are growing fruits and vegetables. It involves the collection of mature plants or plant parts from the garden.

Fruit and vegetables. Jina Lee, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0> via Wikimedia Commons

This process requires careful timing and technique to ensure that the produce is at its peak in terms of flavor, texture, and nutritional value. Harvesting too early or too late can significantly affect the quality of the produce.

Once the produce has been harvested, the next step is storing. Storing refers to the methods used to preserve the harvested produce for future use. This could involve refrigeration, drying, canning, or freezing, depending on the type of produce. The goal of storing is to maintain the freshness and quality of the produce for as long as possible

Harvesting fruits is a delicate process that requires careful timing. The optimal time for harvesting fruits varies depending on the type of fruit and its maturity. This is because different fruits reach their peak quality at different stages of maturity.

For instance, apples and pears are typically harvested when they are fully sized but still hard. This is because these fruits continue to ripen after they have been harvested. Harvesting them at this stage ensures that they do not become overripe and mushy before they can be consumed.

Harvesting apples. Marc-Lautenbacher, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0> via Wikimedia Commons

Berries, on the other hand, are harvested when they reach their full color and are slightly soft to the touch. This is because berries do not continue to ripen after they have been harvested. Therefore, they need to be fully ripe at the time of harvesting to ensure the best flavor and texture.

Just like fruits, vegetables also have specific harvesting times depending on their type and maturity. Understanding these times helps to ensure that the vegetables are at their peak in terms of flavor, texture, and nutritional value when they are harvested.

Harvesting vegetables. Image via Freepik

For example, leafy vegetables like lettuce and spinach can be harvested as soon as they are large enough to eat or picked as needed. This allows for a continuous supply of fresh greens throughout the growing season. Harvesting these vegetables regularly also encourages new growth, resulting in a higher yield.

Some vegetables like potatoes and garlic are harvested when the foliage starts to die back. This is a sign that the vegetables have reached maturity and are ready to be harvested. Root crops like carrots, parsnips, turnips, and radish are ready to harvest when you can see a sizable section of the root popping out of the ground.

Proper storage of fruits and vegetables involves maintaining the right temperature and humidity levels. This is crucial to prevent spoilage and to maintain the quality of the produce.

Leafy greens, for instance, should be stored in an airtight container with a paper towel to absorb excess moisture. This helps to prevent wilting and keeps the greens fresh for longer. The paper towel absorbs any excess moisture, which can lead to rot or mold growth.

Storing lettuce. Photo by Daian Gan from Pexels: https://www.pexels.com/photo/green-and-white-lettuce-102123/

Root vegetables like potatoes and onions, on the other hand, should be stored in a cool, dark, and well-ventilated area. These conditions help to slow down the natural decay process and keep the vegetables fresh for longer. It's also important to avoid storing these vegetables in plastic bags, as this can trap moisture and lead to rot.

Herbs & flowers

Herbs are generally harvested just before the plant flowers, when the leaves contain the highest concentration of oils. These oils are responsible for the aroma and flavor of the herbs, so harvesting at this stage ensures the best quality.

Herb garden. Public domain, CCO <https://creativecommons.org/public-domain/cc0/> via rawpixel

The timing of the harvest is also important. Harvesting should be done in the morning after the dew has dried but before the sun gets too hot. This is because the heat of the sun can cause the oils in the herbs to evaporate, reducing their flavor and aroma.

It's also important to only harvest about one-third of the plant at a time to allow it to recover and continue growing. This ensures a continuous supply of fresh herbs throughout the growing season.

Flowers should be harvested when they are in bud or just starting to open. This is when they are at their most vibrant and beautiful. Harvesting at this stage also ensures that the flowers last longer once they are cut.

Harvesting flowers. Photo by Kelly from Pexels: https://www.pexels.com/photo/a-farmer-harvesting-flowers-8148252/

Like herbs, flowers should be harvested in the morning after the dew has dried. This is because the water from the dew can cause the flowers to wilt faster. Harvesting in the morning also ensures that the flowers are at their freshest.

Once cut, flowers should be placed immediately in water to prevent wilting. Try and cut the stems at a 45 degree angle. This allows more surface area for water absorption and prevents the stems from sitting flush against the bottom of the vase. Alternatively, they can be hung to dry if they are to be used for dried flower arrangements or crafts.

Herbs can be stored by drying, freezing, or preserving them in oil or vinegar. Drying is the most common method and involves hanging the herbs in a warm, dry, well-ventilated area until they are completely dry. Freezing preserves the flavor of the herbs but can alter their texture, making them best suited for use in cooked dishes.

Flowers, particularly cut flowers, can be preserved by drying or pressing. Drying involves hanging the flowers upside down in a warm, dry area until they are completely dry, like herbs. Pressing involves placing the flowers between sheets of paper and applying weight to flatten them. Both methods allow the flowers to be enjoyed long after they have been harvested.

It's important to store herbs and flowers in a cool, dark place to maintain their color and aroma. Exposure to light or heat can cause the herbs and flowers to lose their color and aroma, reducing their quality.

Drying herbs. Лобачев Владимир, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0> via Wikimedia Commons

Seeds

Seeds are typically harvested from mature plants at the end of the growing season. This is when the seeds have fully developed and are ready to be collected for future planting.

The seeds should be fully developed and dry before they are harvested. Harvesting seeds that are not fully mature or that are still wet can result in poor germination rates.

Harvesting seeds. USFWS Mountain-Prairie, Public domain, via Wikimedia Commons

Some seeds, like tomato and pumpkin, need to be removed from the fruit/vegetable, cleaned, and dried on a paper towel before storage.

After harvesting, seeds should be cleaned and dried thoroughly before storing to prevent mold growth. Mold can damage the seeds and may prevent them from germinating.

Seeds should be stored in a cool, dry place to maintain their viability. This helps to prevent the seeds from germinating prematurely or from becoming damaged by mold or pests.

They can be stored in paper envelopes or jars with airtight lids. Use a dessicant like silica gel or calcium chloride to remove excess moisture. Remember to label your envelopes or jars to prevent germinating the wrong seeds.

Seed jars. Gaurav_Dhwaj_Khadka, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0> via Wikimedia Commons

Properly stored seeds can remain viable for several years, depending on the species. This allows gardeners to save seeds from year to year, reducing the need to purchase new seeds each season. However, it's important to note that the germination rate of seeds decreases over time, so older seeds may not germinate as well as fresh ones.