Lollipop Crabapple

Full bloom

Malus 'Lollizam'

Rosaceae · broadleaf deciduous tree · introduced

Last updated

Lollipop® is the standard recommendation for dwarf formal crabapple use in Puget Sound landscapes — the only common crabapple with a genuinely dwarf genetic habit producing a naturally symmetrical 8-10 ft rounded ball without staking, pruning, or top-grafting. The cultivar fills a design niche no typical Malus can occupy: small residential courtyards, planter boxes (large containers), paired entry specimens, formal hardscape compositions, narrow planting strips, and patio-side spaces where typical 15-25 ft crabapples would overwhelm the scale. The combination of dwarf form, fine-textured small leaves, fragrant white bloom, tiny red persistent fruit, and good-to-excellent disease resistance (part of Lake County's ZAM disease-resistant series) makes Lollipop a defensible default for these constrained spaces. Container culture is feasible in large planters (24-36 inch diameter minimum) provided regular irrigation and seasonal feeding. The naturally symmetrical ball form requires minimal pruning, which simplifies maintenance for property managers and homeowners who would otherwise need to shape upright crabapple cultivars. Cross-references with ‘Coralcole’ (similar 15 × 15 ft top-grafted compact form) and ‘Sargent Tina’ (5-6 ft natural dwarf — even smaller for the most constrained spaces) for the full dwarf-crabapple decision tree.

— Chris Welch, ISA Certified Arborist

Plant Profile

Size & Form

Height
8-10 ft
Spread
8-10 ft (spread approximately equals height in the characteristic ball form)
Growth Rate
Slow (dwarf genetics produce naturally slow growth; tree reaches mature size in 15-20 years and stays compact thereafter)
Size at 20 yr
8-10 ft (typically reaches mature height around 15-20 years and stays compact thereafter)
Lifespan
50-80 years typical for ornamental crabapples

Site Requirements

Light
Full sun (best flower production and disease resistance); tolerates light afternoon shade with reduced flowering
Soil Drainage
Well drained; tolerates a wide range of soil textures
Soil pH
5.5-7.5 (slightly acidic to neutral)
Water
Moderate
Drought Tolerance
Moderate; established trees tolerate seasonal drought; small canopy means lower total water demand than typical crabapples
Hardiness
Zones 4–8

Ornamental Interest

Bloom Time
Late April to mid-May (Puget Sound); mid-season blooming
Fall Color
Yellow to yellow-bronze; not a primary ornamental feature
Origin
Cultivar; bred and selected by Jim Zampini at Lake County Nursery
Watch for this season

Bloom Infection Window

Active Conidial Spread

First Flight

Diseases: Regionally Documented (3)

Diseases: Other Associations (1)

Pests: Regionally Documented (3)

Phenological Calendar

As of June 3, 2026, Puget Sound stations range from 2435.5 to 2672.8 GDD₃₂. Lollipop Crabapple has passed full bloom (1305 GDD₃₂).

Regional Season Tracker

GDD₃₂ accumulation across 7 Puget Sound stations · as of Jun 3, 2026
Station GDD₃₂ Current Stage Next To Go
Issaquah / East King 2,673 Full bloom
Kent / Auburn 2,665 Full bloom
Seattle / UW 2,610 Full bloom
Olympia / Tumwater 2,570 Full bloom
Tacoma / Puyallup 2,535 Full bloom
Bellingham / Whatcom 2,533 Full bloom
Sequim / Rain Shadow 2,436 Full bloom
View full calendar (2 stages)
Stage GDD32 Typical Window
Beginning of flowering BBCH 61 990 Late April (Puget Sound); mid-season blooming
Full bloom BBCH 65 NOW 1305 Late April to early May (Puget Sound)

Source: HortGuide regional interpretation based on Morton Arboretum bloom timing About GDD₃₂ →

Season tracker for Kent / Auburn as of Jun 3, 2026. Predicted dates use 16-day weather forecast through Jun 19, 2026, then climate normals.

Data Maturity
Structured Multiple sources. Expert review underway.