← All blueberry varieties

Northern highbush / Cultivar notes

Rubelblueberry

A northern highbush with small fruit on a substantial shrub. Berry size and plant size are very different decisions.

Zones 4-85-7 ftLate July listed

Independent research reviewed September 6, 2026.
Nursery specifications checked September 5. Not a firsthand growing trial.

Rubel as identified by the photo source.
Rubel as identified by the photo source. Rob Duval · CC BY-SA 3.0

The decision, in brief

Small berries, full-size bush.

Compare with Bluecrop if you are choosing between small and large berries on full-size northern shrubs.

Our interpretation of the cited specifications. Start with local suitability.

At a glance

Blueberry typeSource ↗
Northern highbush
USDA zonesSource ↗
4-8 (supplier range)
Mature heightSource ↗
5-7 ft
Mature spreadSource ↗
4-6 ft
Winter chillSource ↗
800-1,000 hours (supplier estimate)
Harvest timingSource ↗
Late July listed
Berry sizeSource ↗
Small
Flavor descriptionSource ↗
Sweet
Container supportSource ↗
Not verified in this guide
PollinationSource ↗
Self-fertile according to the supplier; a compatible second cultivar can improve cropping.

Read the growing context.

Supplier timing, not a local forecast. Calendar dates and relative seasons should only be compared within the same growing region. Timing source ↗

The supplier lists small berries but a 5-7 foot mature height. Do not treat a small-fruited cultivar as a space-saving plant. Read the source ↗

Check local extension advice as well as the supplier’s range before you plant. The same variety can perform differently across regions.

What the research adds.

Beyond the nursery listing

Small fruit has a different purpose

OSU describes Rubel as a wild selection with very small fruit used in processing. Read the evidence ↗

For your decision. Compare it for the way you intend to use the harvest. Small berries do not imply a small shrub.

Pacific Northwest. Cultivar observations are not a nationwide growing guarantee.

Independent evidence reviewed .

Compare Rubel & Bluecrop

Before you order Rubel.

  • Check the listed 4–8 zone range against local guidance, winter chill and spring frost conditions.
  • Measure the mature footprint: 5-7 ft tall, 4-6 ft wide. Ask the nursery to fill any unverified size information.
  • Resolve a locally supported pollination plan; a comparison is not a pairing guarantee.
  • Confirm the plant size being shipped, delivery restrictions and the nursery’s replacement terms.

Check the details

Sources for this profile

Nursery specification

Stark Bro’s: Rubel blueberry ↗

Supplier specifications checked September 5, 2026. Size, chill and harvest descriptions are not local performance guarantees.

University extension

OSU Extension: Blueberry Cultivars for the Pacific Northwest ↗

Pacific Northwest. Cultivar observations are not a nationwide growing guarantee.

Nursery specifications checked ; independent research reviewed . Read our editorial approach.

Published . Source-check dates are noted separately in the article.