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.
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Brilliant Dianthus

Dianthus deltoides 'Brilliant'

Scarlet masses of mildly fragrant blossoms grace this low growing plant for 8 to 10 weeks;shear for rebloom. Valued as edging and masses in perennial borders, cottage gardens. Perfect for rock gardens, troughs and window boxes. Evergreen perennial.
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

Your climate might be too cold for this plant:


Full sun

Needs regular watering - weekly, or more often in extreme heat.


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

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More Information
LoreThe carnation-like fragrance shared by the entire Dianthus family contributes to the popularity of these small perennials.
Average Size at MaturityFast growth 6 to 12 inches tall, 12 inches wide.
Bloom TimeLate spring through early summer
Design IdeasA traditional perennial of the English cottage gardens that steps across to the highbrow perennial border as well. Superb edging along walks and pathways. Perfectly suited to rock gardens and spilling over the top of curbs and walls. Well sized for pots, troughs and window boxes.
Deciduous/ EvergreenEvergreen
Flower AttributeFlowers for Cutting, Fragrant, Showy Flowers
Flower ColorRed
Foliage ColorGray-green
Garden StyleCottage
Growth Habit12
Growth RateFast
Landscape UseContainer, Firescaping/Firewise, Poolside, Rock Garden, Cutting Garden
Light NeedsFull sun
Soil NeedsAll-Purpose Plant Food
Special FeatureAttracts Hummingbirds, Clump Forming, Gift Plant
Water NeedsModerate
Watering NeedsNeeds regular watering - weekly, or more often in extreme heat.
Companion PlantsThis charming Dianthus belongs with other cottage garden favorites such as Red Valerian, (Centranthus ruber 'Coccineus'), Klaus Jiletto Stoke's Aster, (Stokesia laevis 'Klaus Jelitto'), Nearly Wild Rose, (Rosa x 'Nearly Wild') and Violacea Plena Japanese Wisteria, (Wisteria floribunda 'Violacea Plena').

Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. For a neat appearance, remove old foliage before new leaves emerge. Divide clumps every 2 to 3 years in early spring.

This Plant's Growing Zones: 4-9

USDA Cold Hardiness Zone Map

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Your climate may be too cold for this plant