3 named cultivars

perennial

Cambridge Geranium

Geranium x cantabrigiense

The Story

Plant Bio

Geranium x cantabrigiense is a low-growing, mat-forming, semi-evergreen perennial. It features aromatic, rounded, lobed leaves and clusters of 5-petaled flowers.

This hybrid is valued as a vigorous and reliable groundcover, offering a long bloom period, fragrant foliage that gains fall color, and excellent pest and disease resistance.

Uses & Benefits:

Geranium x cantabrigiense offers attractive, fragrant foliage and vibrant flowers, perfect for groundcover and borders.

Its drought tolerance makes it suitable for low-maintenance landscapes.

Provides nectar for pollinators like bees and butterflies, supporting local ecology.

Essentials

At a Glance

Plant Type

Perennial

Height

8 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Low to moderate

Humidity

Average

Lifespan

Perennial

Native To

Garden origin

Toxicity

Non-toxic to humans and pets

Planting

How to Grow

Tuck seeds into well-draining soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and promote root growth.
Plant in full sun to partial shade for optimal flowering and foliage.
Apply a balanced fertilizer in early spring to encourage healthy growth.
Mulch around plants to retain moisture and suppress weeds.
Divide mature clumps every 3-4 years to rejuvenate.

Pro Tip

Ensure good drainage to prevent root rot and promote vigorous growth.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 🌱
Deadhead spent flowers to encourage more blooms
Apply organic compost annually for healthy soil
Prune lightly after flowering to maintain shape

Don't

Avoid overwatering to prevent root rot ❌
Don’t fertilize in late fall to avoid encouraging weak new growth
Refrain from heavy pruning during flowering period
Keep away from overly shaded areas for best flowering

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Fertilize
Plant
Prune
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Wildflower meadow borderShaded woodland edgeGroundcover in rock gardens

Companion Plants

Lavender Salvia Sedum Coreopsis Echinacea

Multiply

Propagation Methods

Good to Know

Common Questions

Cambridge Geranium questions

What zones can Cambridge Geranium grow in?

Cambridge Geranium is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Cambridge Geranium deer resistant?

Yes — Cambridge Geranium is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Cambridge Geranium bloom?

Cambridge Geranium typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Cambridge Geranium need full sun?

Cambridge Geranium does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Cambridge Geranium drought tolerant?

Yes — once established (usually after the first full season), Cambridge Geranium handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.