Coconut Surprise Dianthus
Crisp White Blooms With a Cherry-Red Eye
Coconut Surprise Dianthus (Dianthus 'Coconut Surprise') charms with crisp white, clove-scented flowers centered by a cherry-red eye, over a neat cushion of blue-green foliage. Blooming heavily in late spring and reblooming through summer, it's tough, drought-tolerant, and deer-resistant, with semi-evergreen foliage. A fresh, fragrant front-of-border favorite for sunny beds and rock gardens in Edina, Woodbury, and Maple Grove.
Coconut Surprise Dianthus Plant Details
| Attribute | Detail |
|---|---|
| Botanical Name | Dianthus 'Coconut Surprise' |
| Mature Size | 6–10 in. tall, 10–12 in. wide |
| Hardiness Zone | 4–9 (Twin Cities is zone 4b–5a — fully hardy) |
| Light | Full sun (6+ hours) |
| Bloom Time | Late spring, reblooming through summer |
| Flower Color | White with a cherry-red eye, clove-scented |
| Soil | Well-drained; dislikes wet, heavy soil — add grit to clay |
| Winter Hardiness | Reliable to about -25°F; semi-evergreen foliage |
| Deer Resistance | Rarely browsed by deer or rabbits |
Landscape Uses in Minnesota
Fragrant edging and rock gardens: The crisp bicolor and neat cushion make a clean front-of-border edge. Space 10–12 inches apart.
Pollinator and deer-resistant beds: Butterflies visit the fragrant blooms, and deer leave it alone. Pair with catmint, salvia, and sedum.
Best Time to Plant in Minnesota
Plant in spring (late April–May) or early fall. Sharp drainage is essential — avoid wet, heavy soil, especially over winter.
How to Plant Coconut Surprise Dianthus
Dig a hole twice the pot's width at the same depth. Amend heavy clay with grit or coarse sand. Set the crown at or slightly above soil level, backfill, water in, and mulch lightly with grit — keep mulch off the crown to prevent rot. Space 10–12 inches apart.
Watering Coconut Surprise Dianthus
First year: Water every 2–3 days at first, then weekly. Stop 2–3 weeks before the ground freezes.
After year one: Drought-tolerant — water only during extended dry spells. Overwatering and wet soil are its main enemies.
Q: Will it survive a Minnesota winter?
Yes — hardy to about zone 4 with sharp drainage; plant where water doesn't pool over winter.
Q: Is it fragrant?
Yes — the flowers carry the classic sweet, spicy clove scent of pinks.
Q: How do I keep it blooming?
Shear off spent flowers after the first flush to encourage rebloom through summer.
Q: Is it deer-resistant?
Yes — deer and rabbits rarely bother dianthus.
You May Also Like
Coral Reef Dianthus (Dianthus): A coral-toned bloomer with the same easy care.
Sedum (Hylotelephium): A drought-tough, deer-resistant partner.
Catmint (Nepeta): Blue spikes that contrast the white-and-red blooms.
How Many Coconut Surprise Dianthus Do I Need?
Space these neat cushions about 10–12 in. apart for a tidy front-of-border edge or rock-garden carpet. Plant in clusters of 3–5 for the fullest sweep of fragrant bloom.
| Bed / Run Length | Plants at ~11 in. spacing |
|---|---|
| 10 ft | 11 plants |
| 20 ft | 22 plants |
| 30 ft | 33 plants |
| 40 ft | 44 plants |
Coconut Surprise Dianthus Season-by-Season in Minnesota
- Spring: A heavy first flush of crisp white, cherry-eyed, clove-scented flowers blankets the blue-green cushion in late spring.
- Summer: Reblooms through the season, especially if sheared after the first flush; butterflies work the fragrant blooms.
- Fall: Scattered late flowers continue; the tidy foliage mound stays neat as nights cool.
- Winter: Foliage is semi-evergreen, holding blue-green color under snow; reliable to about -25°F with sharp drainage.
At a Glance
✔ Pollinator-Friendly ✔ Deer-Resistant ✔ Drought-Tolerant
Plant It With
- Coral Reef Dianthus — the coral-toned sibling named in the care notes; same easy care, complementary color.
- Autumn Fire Sedum — the drought-tough, deer-resistant partner suggested in the notes.
- Bloodstone Sea Thrift — another tidy, sun-loving cushion for a layered rock-garden edge.
- Blue Eddy Allium — rosy globes over blue-gray foliage that echo the cherry eye.
Is Coconut Surprise Dianthus Right for Your Yard?
This dianthus shines in full sun and sharply drained soil at the front of a border or in a rock garden, and deer and rabbits leave it alone. Not a fit if your soil is heavy, wet clay — standing water, especially over winter, rots the crown; amend with grit or choose a raised, well-drained spot.