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Kiwi Plant Seeds:
Guide to Storing, Sowing and Germination

Updated: July 21, 2023

Kiwi plants, also known as Actinidia, are a popular choice among gardeners due to their delicious fruits and attractive foliage. Whether you are an experienced gardener or just starting out, growing kiwi from seeds can be a rewarding experience. In this article, we will guide you through the process of storing, sowing, and germinating kiwi plant seeds.

Storing Kiwi Plant Seeds

Before you can sow kiwi plant seeds, it is important to properly store them to maximize their viability. Here are some steps to follow:

  1. Harvesting the seeds: Harvest kiwi fruit when they are fully ripe. Cut open the fruit and scoop out the seeds with a spoon. Rinse them gently under running water to remove any pulp or residue.

  2. Drying the seeds: Place the seeds on a paper towel or a clean cloth and allow them to dry completely. This usually takes around 2-3 days. Make sure to keep them in a well-ventilated area away from direct sunlight.

  3. Preventing mold and rot: To prevent mold or rot, it is important to ensure that the seeds are completely dry before storing them. Any moisture left on the seeds can lead to the growth of fungi, which can be detrimental to their viability.

  4. Storage container: Once the seeds are dry, transfer them to an airtight container such as a ziplock bag or a glass jar with a tight-fitting lid. Make sure the container is clean and dry before adding the seeds.

  5. Labeling: Don’t forget to label the container with the date of harvest and the variety of kiwi plant. This will help you keep track of your seeds and ensure proper rotation.

  6. Storage conditions: Store the container in a cool and dark place, such as a refrigerator or a basement. The ideal temperature for kiwi plant seeds storage is around 32-41°F (0-5°C). Avoid storing them in the freezer, as extreme cold can damage the seeds.

By following these steps, you can store kiwi plant seeds for up to 2 years without significant loss of viability.

Sowing Kiwi Plant Seeds

Once you are ready to sow the kiwi plant seeds, follow these guidelines to ensure successful germination:

  1. Pre-soaking: Before sowing, it is recommended to pre-soak the kiwi plant seeds overnight. This helps to soften the seed coat and speed up germination. Place the seeds in a glass of room temperature water and allow them to soak for at least 12 hours.

  2. Seed starting mix: Fill a seed tray or individual pots with a well-draining seed starting mix. You can also make your own mix by combining equal parts of peat moss, perlite, and vermiculite.

  3. Planting depth: Kiwi plant seeds should be planted about 1/4 inch deep in the soil. Make a small indentation in the soil with your finger and place one seed in each hole. Cover the seeds lightly with soil and gently firm it down.

  4. Watering: After sowing, water the soil thoroughly but gently. Avoid overwatering, as it can lead to rotting of the seeds. Keep the soil consistently moist throughout the germination process.

  5. Germination conditions: Kiwi plant seeds require warm and humid conditions for germination. Maintain a temperature of around 70-75°F (21-24°C) and provide indirect light. You can cover the seed tray or pots with a plastic dome or plastic wrap to create a mini greenhouse effect.

  6. Germination period: Kiwi plant seeds usually take anywhere from 2-6 weeks to germinate, although it can vary depending on the variety and growing conditions. Be patient and keep the soil moist during this period.

Germination and Care of Kiwi Plant Seeds

Once the kiwi plant seeds have germinated, it’s time to provide them with proper care to ensure healthy growth:

  1. Transplanting: When the seedlings have developed two or three true leaves, they can be transplanted into individual pots or containers. Use a well-draining potting mix and ensure that each seedling has enough space to grow.

  2. Light and temperature: Place the seedlings in a location with bright, indirect light. Kiwi plants require a minimum of 6 hours of sunlight per day. Maintain a temperature of around 60-75°F (15-24°C) during the day and slightly cooler temperatures at night.

  3. Watering and fertilizing: Keep the soil evenly moist but not waterlogged. Water the plants when the top inch of soil feels dry to the touch. Fertilize with a balanced liquid fertilizer once every 4-6 weeks during the growing season.

  4. Support structure: Kiwi plants are vigorous climbers and need support as they grow. Install a trellis or provide a sturdy structure for the vines to climb on. This will help keep the plant upright and prevent damage to the delicate stems.

  5. Pruning: Regular pruning is essential to maintain the shape and size of the kiwi plant. Prune in late winter or early spring before new growth begins. Remove any dead or diseased branches and thin out overcrowded areas to improve air circulation.

By following these guidelines, you can successfully grow kiwi plants from seeds and enjoy a bountiful harvest of delicious fruits in a few years’ time.

In conclusion, growing kiwi plants from seeds can be an exciting and rewarding experience. By properly storing, sowing, and caring for the seeds, you can enjoy the beauty and taste of these delightful fruits right in your own backyard. So, why not give it a try and start your own kiwi plant journey today?