When Will Bare-Root Empress Trees (Paulownia) Leaf Out in Michigan?

Mail-order Royal Empress trees (Paulownia tomentosa) often arrive bare-root and refrigerated to extend dormancy. In cool Michigan springs, they may stay leafless for weeks after planting.

What to Expect

• Break dormancy when temps consistently exceed 60°F.
• Allow 3–6 weeks after warm weather arrives.
• Keep soil moist — not soggy — during wait.

First-Year Care

• Water regularly all season.
• Apply mycorrhizal inoculant with fertilizer to boost root development.
• No heavy feeding Year 1.

Long-Term Note

Once established, Paulownia grows rapidly (10–15 ft/yr) and blooms beautifully — but can be invasive in some regions. Check local guidelines.