Golden Sphere Coreopsis
Golden Sphere Coreopsis
Round, Double Golden Blooms on a Compact Plant
Golden Sphere Coreopsis (Coreopsis 'Golden Sphere') tops a tidy, compact plant with rounded, fully double golden-yellow blooms that look like little spheres of sunshine. Flowering from early summer into fall, it adds bold texture to the border and draws bees and butterflies. Drought-tough and deer-resistant, it's a cheerful, eye-catching choice for sunny borders and containers in Edina, Woodbury, and Maple Grove.
Golden Sphere Coreopsis Plant Details
| Attribute | Detail |
|---|---|
| Botanical Name | Coreopsis 'Golden Sphere' |
| Mature Size | 14–18 in. tall, 16–20 in. wide |
| Hardiness Zone | 4–9 (Twin Cities is zone 4b–5a — fully hardy) |
| Light | Full sun (6+ hours) |
| Bloom Time | Early summer into fall |
| Flower Color | Double golden-yellow |
| Soil | Well-drained; tolerates clay and lean soil if not soggy |
| Winter Hardiness | Reliable to about -25°F once established |
| Deer Resistance | Rarely browsed by deer or rabbits |
Landscape Uses in Minnesota
Compact, colorful borders: The round double blooms make a bold statement at the front of the border and in containers. Space 16–20 inches apart.
Pollinator and low-water beds: Bees and butterflies love it; tough in hot, dry spots. Pair with coneflower, catmint, and grasses.
Best Time to Plant in Minnesota
Plant in spring (late April–May) or early fall. Provide good drainage; avoid soggy winter soil.
How to Plant Golden Sphere Coreopsis
Dig a hole twice the pot's width at the same depth, loosening clay and mixing in compost. Set the crown level, backfill, water in, and mulch lightly. Space 16–20 inches apart.
Watering Golden Sphere Coreopsis
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. Deadhead to keep it blooming.
Q: Will it survive a Minnesota winter?
Yes — hardy to zone 4 with good drainage; avoid wet winter soil.
Q: Do double coreopsis still feed pollinators?
Yes — bees and butterflies visit the blooms, though single types offer easier access.
Q: Is it deer-resistant?
Yes — deer and rabbits rarely bother coreopsis.
Q: How do I keep it blooming?
Deadhead regularly to keep flowers coming from early summer into fall.
You May Also Like
Double the Sun Coreopsis (Coreopsis grandiflora): Another fluffy double golden bloomer.
Coneflower (Echinacea): A native pollinator partner with matching toughness.
Catmint (Nepeta): Blue spikes that contrast the golden blooms.
How Many Golden Sphere Coreopsis Do I Need?
For a colorful front-of-border block, space plants about 18 inches apart (each mounds 16–20 inches wide):
| Bed / Run Length | Plants Needed (~18 in apart) |
|---|---|
| 10 ft | 7 |
| 20 ft | 13 |
| 30 ft | 20 |
| 40 ft | 27 |
Also superb in containers; group 3–5 at the border front for the boldest show.
Golden Sphere Coreopsis Season-by-Season in Minnesota
- Spring: Tidy, compact green mound emerges; no bloom yet.
- Summer: Rounded, fully double golden spheres open in early summer and repeat for weeks with deadheading.
- Fall: Keeps flowering into fall when deadheaded; a cheerful late-season spot of gold.
- Winter: Dies back to the ground; hardy to about -25°F with good drainage.
At a Glance
✔ Pollinator-Friendly ✔ Deer-Resistant ✔ Drought-Tolerant
Plant It With
- Golden Needles Coreopsis — airy threadleaf foliage softens the bold double spheres.
- Double the Sun Coreopsis — another fluffy golden double to extend the bloom.
- Sombrero Granada Gold Coneflower — matching gold with a single daisy form pollinators reach easily.
- Blue Fortune Hyssop — blue spikes contrast the golden balls and draw extra bees.
Is Golden Sphere Coreopsis Right for Your Yard?
Give it full sun (6+ hours) and well-drained soil at the front of a bed or in a container, and it rewards you with months of bold double gold. Not a fit if your soil stays soggy, especially over winter — wet feet rot the crown — and double blooms offer pollinators slightly less access than single types.