Patterned-Leaf Foamy Bells for Twin Cities Shade Borders

Buttered Rum Foamy Bells (Heucherella 'Buttered Rum') is a foamy bells hand-selected for the Twin Cities climate. Frothy spikes of pink or white flowers in early summer attract bees and hummingbirds. Whether you're planting a shaded border in Lakeville, layering a foundation bed in Edina, or anchoring a perennial bed in Plymouth — Buttered Rum Foamy Bells performs reliably in zone 4b–5a yards.

Buttered Rum Foamy Bells Plant Details

Buttered Rum Foamy Bells Uses in Minnesota Landscapes

Shaded perennial borders

Foamy Bells are a cross between Heuchera and Tiarella. They bring bolder leaf patterns than coral bells to a shaded bed under oaks and maples across the Twin Cities.

Woodland and naturalistic gardens

Their fingered leaves echo the look of native foamflower while bringing dramatic veining. A natural fit for a Minnesota woodland edge planting.

Container companions

Pair with ferns and astilbe for a layered shade container that holds color through Minnesota's long shoulder seasons.

Best Time to Plant Buttered Rum Foamy Bells in Minnesota

Fall (late August–early October) is the ideal planting window. Soil is still warm for root development, cool air reduces transplant stress, and the plant gets 6–8 weeks to establish roots before ground freeze (typically mid-November in the Twin Cities).

Spring (late April–May) is the second-best window — the plant gets the full growing season to establish before its first winter.

Avoid summer planting (June–August) when possible. Never plant after mid-October or before late April — frozen ground or frost-heaving kills new roots.

How to Plant Buttered Rum Foamy Bells

1. Dig wide, not deep. 2–3× the root ball width, same depth as the container. Heavy clay benefits from even wider digging.
2. Check drainage. Fill the hole with water — if it doesn't drain in 30 minutes, mound-plant or break through any clay hardpan to improve drainage.
3. Backfill with native soil + 20–30% compost. Minnesota clay-loam benefits from organic amendment but don't create a "container" of pure compost.
4. Spacing. Refer to the mature width above and space accordingly. Closer for mass plantings, wider for individual specimen plants.
5. Water basin. Build a 3–4 inch ring around the planting to direct water to the roots. Flatten or remove before winter to avoid ice damage.
6. Mulch. 2–3 inches of shredded bark or wood chip mulch, kept 2 inches away from the trunk or crown. Do NOT use gravel mulch in Minnesota — it doesn't insulate.

Watering Buttered Rum Foamy Bells in Minnesota

First Year Watering Schedule

• Weeks 1–2: Every 1–2 days, deep and slow (15–25 minutes per plant)
• Month 1–2: Every 3–4 days
• Month 3–6: Every 5–7 days during active growth; less if rainfall is adequate (Minnesota averages ~3 inches/month June–August)
• Stop watering 2–3 weeks before ground freeze (typically late October in the Twin Cities metro) to avoid pushing late-season growth that gets killed by winter

After Year One

Established plants only need supplemental water during droughts (2+ weeks with no rain and temps above 80°F). Water deeply and infrequently — every 7–14 days during dry spells, soaking to 6–8 inches depth. Let natural rainfall do most of the work.

Will Foamy Bells survive a Minnesota winter?

Yes — hardy to zone 4. Apply 2 inches of shredded mulch over the crown in late November to buffer against freeze-thaw heaving.

What is the difference between Foamy Bells and Coral Bells?

Foamy Bells (Heucherella) are a cross between Coral Bells (Heuchera) and Foamflower (Tiarella). They have similar care but typically show bolder leaf patterns with stronger central veining.

Are Foamy Bells deer-resistant?

Yes — strongly. Deer almost universally avoid Heucherella.

You May Also Like

• Shop the full Three Timbers Minnesota catalog — zone 4-hardy plants hand-selected for Twin Cities yards
• Deer-Resistant Plants — for high-pressure suburbs like Minnetonka, Wayzata, and Eden Prairie
• Pollinator Garden Plants — supports the Lawns to Legumes program

How Many Buttered Rum Foamy Bells Do I Need?

Buttered Rum spreads 14–20 inches; space plants 16–18 inches apart for a full patterned-foliage carpet:

Striking as a single specimen, or planted in drifts of 3–5 along a shaded path.

Buttered Rum Foamy Bells Season-by-Season in Minnesota

• Spring: Bold patterned foliage in greens, reds, and bronzes colors up early, with strong dark veining.
• Summer: Frothy spikes of pink-to-white flowers rise in early summer, drawing bees and hummingbirds; foliage holds its pattern in dappled shade.
• Fall: Leaf colors warm and deepen as the season cools.
• Winter: Semi-evergreen — much of the foliage persists; mulch the crown in November to buffer freeze-thaw heaving.

At a Glance

✔ Deer-Resistant   ✔ Pollinator-Friendly   ✔ Shade-Tolerant

Plant It With

• Berry Smoothie Coral Bells — a Heuchera cousin with rosy foliage for layered leaf color
• Black Forest Cake Coral Bells — dark ruffled leaves that contrast the warm-toned foamy bells
• Japanese Painted Fern — silvery fronds that echo the veining and lighten the bed
• Black Pearls Astilbe — near-black buds and white plumes for the same moist shade bed

Is Buttered Rum Foamy Bells Right for Your Yard?

Buttered Rum shines in part to dappled shade with organic-rich, consistently moist soil — woodland edges, shaded borders, and the foreground of foundation beds under oaks and maples. It is not a fit for hot afternoon sun or sites that dry out, where the colorful foliage scorches and fades.