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How to Transplant Purple Kale Plant

Updated: July 13, 2023

Purple kale, also known as purple cabbage or leafy cabbage, is a beautiful and nutritious vegetable that is popular among home gardeners. Known for its vibrant purple leaves and rich flavor, this variety of kale is not only a delight to the eyes but also packed with health benefits. Transplanting purple kale is a great way to ensure its growth in a controlled environment and maximize its yield. In this article, we will guide you through the process of transplanting purple kale plants step by step.

Selecting the Right Time for Transplanting

Transplanting purple kale should be done at the right time to ensure the plant’s successful growth. The ideal time for transplanting is during early spring or fall when the weather is cool and mild. Kale plants prefer temperatures between 60 to 70 degrees Fahrenheit (15 to 21 degrees Celsius). This will allow the plant to establish its roots before facing extreme heat or cold.

Preparing the Transplant Site

Before transplanting your purple kale plants, it is crucial to prepare the transplant site properly. Start by selecting a location that receives at least 6 hours of direct sunlight daily. Purple kale thrives in well-draining soil with a pH level between 6.0 and 7.5. Amend the soil with organic matter such as compost or aged manure to improve its fertility and drainage.

Starting Seeds Indoors

If you prefer starting your purple kale from seeds, you can begin the process indoors about six weeks before the last frost date in your area. Fill seed trays or pots with a high-quality potting mix and sow the seeds about half an inch deep. Keep the soil evenly moist and place the trays in a warm location with indirect sunlight. Once the seeds germinate, provide them with 14-16 hours of light per day using fluorescent grow lights or by placing them near a south-facing window.

Transplanting Seedlings Outdoors

Once the seedlings are 4-6 weeks old and have developed a few sets of true leaves, they are ready to be transplanted outdoors. Harden off the seedlings by gradually exposing them to outdoor conditions over a period of one to two weeks. Start by placing them outside for a few hours each day, gradually increasing the time and exposure to direct sunlight.

Choose a cloudy day or transplant in the late afternoon to minimize stress on the plants. Dig a hole in the prepared transplant site that is slightly larger than the root ball of the seedling. Gently remove the seedling from its container, being careful not to damage the roots. Place the seedling in the hole, ensuring that it sits at the same depth as it did in the container. Backfill the hole with soil, gently firming it around the base of the plant.

Proper Watering and Mulching

After transplanting your purple kale plants, it is essential to provide them with adequate water to help them establish their roots. Water deeply and regularly, especially during dry spells or hot weather. Avoid overwatering, as this can lead to root rot and other fungal diseases. Applying mulch around the base of the plants can help retain moisture, suppress weed growth, and regulate soil temperature.

Fertilizing Purple Kale Plants

Purple kale plants are heavy feeders and require regular fertilization for optimal growth. Before transplanting, incorporate a slow-release organic fertilizer into the soil to provide essential nutrients throughout the growing season. Once the plants are established, apply a balanced fertilizer every four to six weeks or use compost tea as a natural alternative. Be sure to follow package instructions for proper application rates.

Pest and Disease Control

Like other brassicas, purple kale is susceptible to certain pests and diseases. Common pests that may affect kale include aphids, cabbage worms, and flea beetles. Monitor your plants regularly and take action at the first sign of infestation. You can use organic methods such as handpicking pests, applying neem oil, or using insecticidal soap. To prevent diseases, avoid overhead watering and provide adequate spacing between plants for good air circulation.

Harvesting Purple Kale

Purple kale can be harvested when the leaves reach a desirable size, usually around 2-3 months after transplanting. Start by picking the outer leaves from the bottom of the plant, leaving the smaller inner leaves to continue growing. This method allows for continuous harvest throughout the growing season. Use a sharp knife or scissors to cut the leaves close to the main stem, taking care not to damage the plant.

Conclusion

Transplanting purple kale plants allows home gardeners to enjoy this nutritious and visually appealing vegetable while having control over its growth conditions. By following these steps and providing proper care, you can successfully transplant purple kale and enjoy a bountiful harvest. So go ahead and give it a try – your taste buds and health will thank you!