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How to Grow Paulownia tomentosa from Seeds

Princess Tree (Paulownia tomentosa) or Kiri adapts to various types of soil, but not rocky and compact soils.
It is a warm climate tree, grows between 46 to 86 F and good drainage is required. Learn all about how to grow paulownia tomentosa in this article.

If the annual rainfall drop is under 100mm per month additional watering will necessary. Keep in mind for calculation that 10mm of rain delivers 10 liters of water.

Easy Steps for Grow Paulownia Tomentosa

Step 1

Fill a pot with a mixture of sand, vermiculite, and peat moss.

Step 2

Put a pinch of seed on top of the planting medium, then cover the seeds with a patch of gauze to hold them in place.

princess tree seeds
Princess Tree Seeds

Step 3

Water the seeds enough to keep them moist but not exceeded. As the seeds begin to grow, remove the gauze and split them until you have only 1 per container. Kiri tree seeds will germinate between 1-2 months.

Step 4

Wait until the seedlings are 10″ to 14″ tall. Let the seedlings rest in the shade for 3 to 5 days before transplanting.

Step 5

Move to a larger pot and water regularly. Keep it in the same conditions of temperature, light, and water. Approximately 2 months later they should be taken outside.

paulownia tomentosa
Paulownia tomentosa

We hope this guide will be of great help to you. You can read more information about Princess Tree.

About Henry Morgan

Henry Morgan is an agronomist horticulture founder of The Garden Style Company and The Garden Style Website. He previously worked for Mondelēz International as an Agronomist Engineer specializing in agricultural products management in highly populated areas. In 2000, Henry started working with farmer-producers in agricultural businesses selling wholesale fresh produce and retail plants in Van Buren, Arkansas. Nowadays, Henry lives in California, where he offers expert consulting services for organic vegetable gardening. As a science writer working with his wife, Julia, Henry shares his passion for gardening and farming, trying to reach and teach as many folks as possible.

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