The Japanese Umbrella pine is a beautiful evergreen tree with a conical form and luxuriant foliage. The leaves are in whorls on the branches like the ribs of an umbrella. It is a unique conifer that not closely related to any other species. It is endemic to Japan. Hardy in zones 5-9.
Growing Instructions for the Japanese Umbrella Pine
The seeds need to be planted when received or stored in a refrigerator until they are planted. The seeds have a period of dormancy. They can be planted outdoors in the fall or winter for spring germination or they can be cold stratified to simulate winter conditions and to break their dormancy at any time of the year. 1. Soak the seed in water for 24 hours. 2. Place the seeds in a plastic bag and seal it. Store the bag in a refrigerator for 3 months. 3. The seeds like moist, well-drained soil. Prepare a mixture of half potting soil and half sand, perlite or vermiculite. 4. Put the soil in a pot. Water the mixture so that it is moist but not wet. 5. Sow the seeds on the soil and cover them with a thin layer of soil. 6. Water the container and leave it to drain. 7. Put the pot in a warm, sunny area. 8. Water the pot regularly so that the soil is moist but not wet. 9. The seedlings can be transplanted when they are a few inches tall.