Purple Pillar® Rose of Sharon (Hibiscus syriacus)
You can only choose one Ship Week per order for all plants in order to check out.
How Does Proven Winners® Measure Plant Sizes?
We list our plants by container size, which reflects the amount of soil and root growth each plant has when it ships. Actual plant height and width vary by variety and season, and many plants grow quickly as the weather warms.
To help you understand what to expect, refer to our size guide below. You can also find each plant’s approximate arrival size and mature size on its product page.
How Does Proven Winners® Measure Plant Sizes?
How Does Proven Winners® Measure Plant Sizes?
Plant Height By Container Size
This chart highlights the typical heights for each size category while also showing how container sizes compare, giving you a clear, straightforward way to understand plant size at arrival and choose the best fit for your gardening needs.
This chart shows typical plant heights and compares container sizes, helping you quickly understand arrival size and choose the best fit.
Soil Volume By Container Size
This chart shows the typical soil volume for each container size, listed in both imperial and metrics units for easy comparison.
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Purple Pillar® Rose of Sharon is a durable and easy-to-grow variety perfect for narrow spaces. Its columnar form makes it an excellent choice for creating hedges or screens, providing vibrant summer color in tight spots. The plant produces large, semi-doubled flowers in a striking purple shade, with magenta-red centers that bloom continuously throughout the summer. With its limitless landscape potential, Purple Pillar® is ideal for narrow hedges, privacy screens, formal gardens, entryways, and decorative containers, offering a bold and elegant display wherever it’s planted.
- 10-16 feet tall and 4-5 feet wide at maturity
- Hardy in zones 5-9, be sure to check your USDA zone to ensure success
- Plant in full sun (6+ hours daily)
- Space plants 4-5 feet apart for best results
- Produces purple semi-double flowers with magenta-red centers throughout summer
- Maintains green foliage spring to frost
- Blooms on new wood
- Great for borders, containers, screening, landscape, mass planting or as a focal point
- Attracts bees, butterflies and hummingbirds while resisting deer
- Heat, drought and salt tolerant, long blooming, low maintenance, clay tolerant
Care: Fertilize with Proven Winners® Continuous Release Plant Food in spring and midsummer. Requires well-draining soil. Regular pruning is not necessary. If any shaping is desired, do so in early spring. Note that Rose of Sharon is quite late to leaf out in spring, so be patient with it.
Shipping Info:
- Enjoy free shipping on orders over $175
- Size at shipping varies by season, plant, and trimming schedules
- Quart shrubs are 5-8 in. at the time of shipment
- 1 Gallon shrubs are 6-24 in. at the time of shipment
- Shrubs shipped Nov-Apr will arrive dormant; shrubs shipped Apr-Oct will arrive green or in bloom