Photo: "Vaccinium angustifolium" by Ayotte, Gilles / Université Laval · CC BY-SA 4.0

Blueberry · Dwarf

Top Hat Blueberry

Perennial · Ericaceae

Top Hat is a true dwarf blueberry bred for pots, edging, and tiny gardens, staying around 1 to 2 feet tall while still producing flavorful small berries. It is one of the best container blueberries for beginners with limited space, but it absolutely requires strongly acidic soil and even moisture to perform well.

At a Glance

Days to Maturity

730–1095 days

Sun

8+ hours

full sun 8+ hours

Spacing

24–36 "

Container

Yes

5+ gallon pot

Height

1–2 ft

Zone Planting Guide

Your USDA Zone:

Growing Guide

Transplanting

Min Soil Temp 50°F

Harden Off 7 days

Watering

Weekly Water 1–2 "

Needs Consistent

Method Drip

Soil

pH Range 4.5–5.5

Soil Type Very acidic, organic-rich, well-drained soil or container mix with pine bark or peat-based ingredients.

Resilience

Heat: Moderate Cold: High Drought: Moderate

Common Problems

chlorosis

Cause: Soil pH that creeps too high blocks iron uptake and turns leaves yellow.

Prevention: Test pH regularly and use acidifying fertilizer or sulfur as needed.

gray-mold

Cause: Humid bloom and ripening weather can spot berries and flowers.

Prevention: Keep foliage airy, water at the base, and pick ripe berries promptly.

Nutrition

Feeding Intensity Moderate feeder

Recommended Recipes Acidifying fertilizer

Harvest

Berries should be fully blue with no red or green at the stem end and should come off with a light roll.

Expected Yield 1–3 lbs/plant

Storage 10 days — Refrigerate dry fruit in a covered vented container without washing first.

Sources

seed_catalog Johnny's Selected Seeds university Illinois Extension

More Blueberrys

Top Hat Blueberry Planting Dates by Zone

Planting dates for Top Hat Blueberry vary by USDA hardiness zone. Select your zone below for frost dates, start-indoors timing, and a full monthly planting calendar.

Zone 5A Zone 5B Zone 6A Zone 6B Zone 7A Zone 7B Zone 8A Zone 8B Zone 9A Zone 9B

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