Alert: Limited Online Availability

Now that summer is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

We no longer grow this plant.
This page is for reference only.  To find other great selections that are available, please use our Plantfinder

Dwarf Katie Ruellia

Ruellia brittoniana 'Katie'

An improved dwarf variety that continues to bloom summer-long, without deadheading! Large lavender-blue flowers are backed by low, spreading mounds narrow, dark green foliage. This tough, heat-loving perennial is disease and insect resistant. Perfect for dry, neglected spots in cooler summer regions, and thrives with regular garden water in hotter regions. Evergreen in frost-free areas.
There are very few rules in gardening, but perhaps the most important one is to work within your zone. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden . Learn More

Good to grow! 8


Full sun, Partial sun

Prefers regular watering - weekly, or more often in extreme heat. Tolerates dry conditions when established.


Due to the seasonal nature of plants, availability at your local garden center is not guaranteed. Give them a call before visiting.

  • Lowe's

    2211 I.h. 35 South San Marcos TX 78666-5918

  • Lowe's

    5753 Kyle Parkway Kyle TX 78640

  • Lowe's

    1455 Ih 35 South New Braunfels TX 78130

  • Lowe's

    12611 Suite 100 Shops Pkwy Bee Cave TX 78738

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More Information
Average Size at MaturityClump forming mounds, 6 to 8 in. tall, 2 ft. wide.
Bloom TimeLavender-blue flowers in late spring to mid summer.
Design IdeasPerfect for mass planting, this durable and showy perennial is at its best at the front of an informal border. Compact form makes an excellent ground cover for tight, narrow spaces. Fine, almost grass-like texture makes an attractive, deep green filler for large areas, planted on a berm or sunny slope.
Deciduous/ EvergreenHerbaceous
Flower AttributeLong Bloom Season, Showy Flowers
Flower ColorPurple
Foliage ColorGreen
Garden StyleMediterranean, Rustic
Growth HabitMounding, Spreading
Growth RateModerate
Landscape UseBorder, Mass Planting
Light NeedsFull sun, Partial sun
Special FeatureAttracts Butterflies, Clump Forming, Dwarf Plant, Easy Care, Improved Disease Resistance
Water NeedsModerate
Watering NeedsPrefers regular watering - weekly, or more often in extreme heat. Tolerates dry conditions when established.

Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Established plants tolerate drought. Best with regular feeding of high phosphorus fertilizer. In frost-free areas, shear old foliage in spring; re-sprouts from the ground in colder winter areas. May survive with winter protection in USDA zone 7.

This Plant's Growing Zones: 8-11

USDA Cold Hardiness Zone Map

Your USDA Cold Hardiness Zone: 8

Good to grow!