Campanula poscharskyana
Blue Waterfall

Lavender-blue stars by the hundreds—and they tumble! Campanula poscharskyana ‘Blue Waterfall’ is a high-performing trailing bellflower that smothers itself off and on through a remarkably long season. The open, star-shaped flowers sparkle against fresh green foliage, creating a loose, lively display rather than a stiff carpet.

Only about 6–8 inches tall, ‘Blue Waterfall’ sends trailing stems outward to roughly 30 inches, spilling beautifully over walls, steps, container rims, hanging baskets, and rocky edges. It is equally useful as a fast-growing groundcover beneath shrubs or at the front of a border, where the low mound can soften the feet of taller plants without hiding them.

Bright shade is one of its best tricks. Use it along a shaded path, in a cool pocket between stones, or anywhere a taller perennial would feel clumsy. It can also take part sun or sun where conditions are not excessively hot. Evergreen in mild-winter areas and impressively long-lived, it brings color and movement to spaces that are often difficult to dress.

Rich, loamy soil gives the fullest display, and a cutback in fall keeps the trailing growth fresh and compact. Otherwise, this is an obliging little bellflower with a lot more flower power than its modest height suggests. Explore more Campanula and bellflowers.

We guarantee that the plants we sell are healthy and viable at the time they leave our care.

If a plant arrives in substandard condition, please take clear photographs and contact us within 48 hours of delivery. To ensure eligibility under this guarantee, we strongly encourage you to open and unpack your shipment immediately upon delivery and inspect the plants thoroughly.

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$14.99 flat rate for up to 6 plants is for standard FedEx/UPS Ground shipping to eligible states only. $19.99 for up to 12 plants. Plants being shipped to the following states are sent via Express Mail to help ensure they arrive quickly and healthy. 

(AL, CT, DC, DE, FL, GA, IN, KY, ME, MD, MA, MI, NH, NJ, NY, NC, OH, PA, RI, SC, TN, VT, VA, WV)
(list of states subject to change seasonally due to extreme heat or cold conditions)

We cannot ship Annie's Annuals plants to P.O. boxes or outside the continental U.S.

Individual plants are shipped in 4" pots and we ship in boxes of 4, 6, 8, or 12 plants per box.

For more details, read our full Ordering and Shipping Policies

Get your plants off to a strong start with our care guide.

Download the Plant Care Guide (PDF)