To winterize an artichoke plant, there are a few steps you can take to protect it from the cold temperatures. Here is a detailed guide on how to winterize your artichokes:
1. Gather materials: You will need cardboard boxes or styrofoam coolers, straw or leaves for insulation, and a balanced fertilizer for spring.
2. Prepare the artichoke plants: Before the first frost, cut back the artichoke plant to a height of about 6 inches. This will make it easier to cover and protect during the winter months.
3. Cover the plants: Place a cardboard box or styrofoam cooler over each artichoke plant. Make sure the box or cooler is large enough to fully cover the plant without squishing the leaves. This will create a protective barrier against the cold and wind.
4. Insulate with straw or leaves: Fill the box or cooler with straw or leaves to provide additional insulation for the plant. This will help keep the temperature inside the box more stable and protect the artichoke from extreme cold.
5. Monitor the temperature: Keep an eye on the weather forecast and remove the boxes or coolers when the temperature returns to normal for your area. This will prevent the artichoke from overheating once the weather warms up.
6. Leave the box on during winter (for zone 6): If you live in zone 6 where the winters are colder, you can leave the filled box on throughout much of the winter. This will provide extra protection for the artichoke plant during the coldest months.
7. Remove mulch in April: In April, remove the mulch or insulation from around the artichoke plants. This will allow them to start growing again as the weather warms up. Be cautious not to damage any emerging shoots or new growth.
8. Apply balanced fertilizer: After removing the mulch, apply a balanced fertilizer to the soil around the artichoke plants. This will provide the necessary nutrients for healthy growth and development in the upcoming season.
By following these steps, you can effectively winterize your artichoke plants and ensure their survival through the cold winter months. Remember to customize the timing and duration of the insulation based on your specific climate and hardiness zone.