Tiny Tuff Stuff™ Mountain Hydrangea (serrata)
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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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Tiny Tuff Stuff is a very hardy dwarf hydrangea that produces baby blue flowers in acidic soil and lavender-pink in more alkaline soil. The blooms tip down in a distinctive arching fashion and the shrub's narrow leaves and an abundance of flowers reliably cover the plant every summer. An excellent refined choice for landscapes, containers, borders, and wherever a delicate shape and color will compliment your plantings.
- 1.5-2 feet tall and wide at maturity
- Hardy in zones 4-9, be sure to check your USDA zone to ensure success
- Plant in part sun (4+ hours daily) in southern climates and part to full sun in northern climates
- Space plants 1.5-2 feet apart for best results
- Maintains green foliage from spring to fall
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Produces soft pink, lavender purple, or baby blue lace-cap flowers during summer depending on soil chemistry
- Attracts bees and butterflies
- Blooms on new and old wood
- Great for containers, landscapes, edging, cut flowers, borders or as a focal points
- Dwarf variety, continuous bloomer, salt tolerant, heat tolerant
Care: Fertilize with Proven Winners Continuous Release Plant Food in spring and mid-summer. Avoid pruning mountain hydrangeas, except to remove any dead wood. These hydrangeas cannot be cut back or trimmed at any time of the year without impacting the bloom for either the current season or the next. Soil pH affects flower color. Blooms will be blue in acidic soils and pink in alkaline soil. Add a little aluminum sulfate if a soil test reveals that you have neutral or basic pH (7 and above).
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