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Hardy Geranium, Bigroot Geranium, Bulgarian Geranium, Rock Cranesbill 'Bevan's Variety'

Geranium macrorrhizum

Family: Geraniaceae (jer-ay-nee-AY-see-ee) (Info)
Genus: Geranium (jer-AY-nee-um) (Info)
Species: macrorrhizum (mak-roh-RY-zum) (Info)
Cultivar: Bevan's Variety
» View all varieties of Hardy Geraniums


Alpines and Rock Gardens



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Grow outdoors year-round


6-12 in. (15-30 cm)


18-24 in. (45-60 cm)


USDA Zone 2a: to -45.5 C (-50 F)

USDA Zone 2b: to -42.7 C (-45 F)

USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade

Partial to Full Shade



Bloom Color:

Magenta (Pink-Purple)

Bloom Time:

Late Spring/Early Summer

Mid Summer





Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:


Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; stratify if sowing indoors

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds


This plant has been said to grow in the following regions:


, Alberta

Cordele, Georgia

Elgin, Illinois

Oak Park, Illinois

Carmel, Indiana

Logansport, Indiana

Amesbury, Massachusetts

Weymouth, Massachusetts

Lowell, Michigan

Minneapolis, Minnesota

Hightstown, New Jersey

Buffalo, New York

High Point, North Carolina

Painesville, Ohio

Butler, Pennsylvania

Norristown, Pennsylvania

Mansfield, Texas

Leesburg, Virginia

Spokane, Washington

Huntington, West Virginia

Waterloo, Wisconsin

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Gardeners' Notes:


On Jan 30, 2017, noseykate from SOUTH WEYMOUTH, MA wrote:

An outstanding utilitarian border plant and groundcover. Smothers weeds, spreads but not aggressively. Very easy to propagate by removing offshoots, opening a hole with a garden knife or trowel, sticking in the rhizome and tamping. Purchase one or two and you'll soon have enough to spread around as needed. I use them in new beds to keep down weeds, and they are great as a low uniform edging. Blooms are a magenta pink in late spring, plentiful but with little to no rebloom. They prefer moist soil in part-shade but can survive even hot afternoon sun (crisping up a bit but recovering as weather cools). Not as refined as some hardy geraniums but rugged and useful.


On Sep 22, 2016, JanieQ from Calgary,
Canada wrote:

I have two of these plants, growing in very different areas.
One is in an east-facing garden, which gets lots of direct sun until about 1:00pm.....the leaves wilt a bit by that time but rebound once the sun has passed for the day.
The other is in a garden with lots of shade, located on the north side of a wooden fence (gets about 30-60 mins of sun in the morning when the sun is shining in from east).
They both grow very well, almost too monsters! There are no issues with them, except they don't bloom much. I've had them for years and they have never bloomed much. There are about a dozen blooms that get above the leaves, and about the same amount that bloom below the leaves. When I look at pictures of this plant, there are dozens of blooms all above ... read more


On Jul 28, 2010, Colo5b from Boulder, CO wrote:

This plant is a workhorse for me!

I have it planted on the north side of the house, in deep shade, quite dry in the summer. It's lush, bright green, lovely ground cover - and evergreen in this spot - amazing for Colorado.

I have more growing against a southwest-facing concrete wall. It blooms best here, though by the end of summer, the leaves are crispy on the edges. It recovers and looks great through fall and vanishes in winter.

I have some also beneath aspen trees in dappled sun and quite dry. They bloom pretty well and the bright-green, fuzzy foliage looks fresh all season.

Try planting "Tiny Monster" behind macrorrhizum. The leaves contrast so well!


On Apr 27, 2007, gdionelli from Huntington, WV (Zone 6a) wrote:

Lovely plant habit and flowers in spring.

I had difficulty getting just the right situation - with not enough sun it blooms much less, and with too much - esp afternoon - the leaves wilt every day. I now have it where it gets morning sun and filtered afternoon sun - perfect!


On Mar 7, 2007, Bellisgirl from Spokane, WA wrote:

Ive had this particular geranium for about five years. I love it! It is in partial sun and has formed a mound that is about a foot high. Requires no special care. It has small magenta flowers in the spring.


On Mar 30, 2006, tacm from Mansfield, TX (Zone 8a) wrote:

In the Dallas/Ft. Worth area, this plant is evergreen, surviving temperatures below freezing. I have it in part shade and does very well, blooming in the spring. It might bloom more often in more sun, but it likes it where it is with very little supplemental watering. It is hard to find though.


On May 21, 2005, PurplePansies from Deal, NJ (Zone 7a) wrote:

I have fallen in love with this geranium.... pretty leaves with a nicer smell than many hardy geraniums.... very pleasent to "rub" with your fingers :) Bright pink blossoms are borne in clusters and are proceeded and followed by swollen pink buds and seedpods..... A very nice plant.... easy in part sun and shade.... recommended! :)


On May 14, 2005, bugaboo22 from Hightstown, NJ (Zone 6b) wrote:

Very hardy and low maintenance. Bright pink flowers in mid-Spring. I divided mine before putting them in the ground and they've tripled in size in just a couple of years. Loves their sunny location.

Oh... and my dogs HATE the smell. The rabbits have been leaving them alone too.