Hibiscus syriacus 'Diana' - Live Plant - Shipped Over 2 Feet Tall These plants are going dormant, which the perfect time to transplant them. While some leaves may be turning brown and falling off, it is perfectly healthy and will barely notice the move to its new home. All orders to CA, OR, WA, UT, and AZ will be shipped bare root in accordance with their state regulations. Zones: 5-9 / Mature Height: 6-10 ft Spread: 4-8 ft / Growth rate: fast / Full Sun - Part Sun / Bloom: white in the summer Size shipped: 1-2 feet tall in trade gallon containers with soilless media and a 9 month slow release fertilizer. Now is the time to transplant! Cooler temperatures and more rainfall provide a smooth transition for the plants. As long as your soil is not frozen solid 2 inches below ground level, the roots will still take perfectly and continue to grow throughout the winter. This gives you a head start on a spring and summer of production.