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Jewel Strawberries

Jewel · Rosaceae

Classic June-bearing strawberry valued for large glossy berries and excellent flavor. Grows vigorous plants with stronger runnering than day-neutral types and is usually managed as a perennial bed for a concentrated late-spring to early-summer harvest. Key facts: 330–400 days to maturity, 8+ hours of sun, 18–24 " spacing. Container-friendly (minimum 2-gallon pot).

Updated April 19, 2026 · Backed by 5 cited sources
Overview

At a Glance

The essentials first: timing, light, spacing, seed-starting, container fit, and overall size.

Days to maturity
330–400 days
Sun
8+ hours
Full Sun
Spacing
18–24 "
between plants
Seed start
0 weeks
before transplant
Container
Yes
2+ gallon pot
Height
0.5–1 ft
at maturity
Planting window

Zone Planting Guide

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This card updates instantly with viability, frost timing, and any planting notes for your selected zone.

Resilience

Plant Health

Stress tolerance, resistance notes, and the most common problems to watch for as plants mature.

Tolerance
Heat: Moderate Cold: Moderate Drought: Low

Common Issues

Gray Mold

Cause: Botrytis thrives in wet bloom conditions and dense canopies.

Prevention: Mulch, promote airflow, pick ripe fruit often, and avoid overhead irrigation.

Root Rot

Cause: Poor drainage and saturated soils suffocate roots and crowns.

Prevention: Use raised beds or mounded rows and avoid planting in low wet ground.

Runner Overgrowth

Cause: Jewel sends more runners than day-neutral types, which can rapidly overcrowd the bed if not thinned after harvest.

Prevention: Clip unwanted runners regularly and maintain spacing for airflow and easier harvest.

Feeding & picking

Nutrition & Harvest

How hungry the plant is, what ripe harvest looks like, and how long the crop keeps after picking.

Feeding
Nutrition
Feeding intensityModerate feeder
RecipesRoot Drench, Worm Castings Topdress, Compost Tea
Timing
Harvest

Berries are fully colored, glossy, and release with a gentle snap when lifted with the cap attached.

Expected yield0.75–1.5 lbs/plant
Storage3 days — Refrigerate unwashed in a shallow container and wash just before use.
Plant relationships

Companion Planting

Helpful neighbors can support growth or deter pests. Keep antagonistic plants separated to reduce stress and competition.

What you'll need

Growing Supplies

Based on Jewel Strawberry's growth profile -- recommendations matched to this variety's specific requirements.

Drip irrigation / soaker hose kit

Every gardener benefits from putting water at the root zone instead of on the leaves, because drip and soaker systems reduce foliar disease pressure by limiting leaf wetness and soil splash. A quality kit should include a backflow preventer, filter, pressure reducer, and UV-resistant tubing.

Source: Iowa State University Extension; Colorado State University Extension; UMass Extension

Soil test kit

A soil test gives a baseline for pH and nutrient status so gardeners can add only what the soil actually needs. Prioritize a mail-in or lab-affiliated kit whenever possible because extension guidance notes that laboratory testing is more accurate than instant readers.

Source: University of Maryland Extension; Purdue Extension; Montana State University Extension

Quality bypass pruners

Extension guidance favors bypass designs because they make cleaner, closer cuts on living tissue than anvil types. Look for hardened steel blades that can be sharpened, a comfortable grip, and a cutting capacity matched to real home-garden stems.

Source: University of New Hampshire Extension; Iowa State University Extension; Purdue University Extension

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Research

Sources

Reference material and extension guidance used to build this growing guide.

seed_catalog SeedsNowuniversity UMN Extensionuniversity OSU Extensioninference Product handle references Albion, but the batch line and product title identify Jewel; Jewel used for the entryinference Full-crop maturity estimated for spring-planted June-bearing bare roots, since strong establishment is usually prioritized over a light first-season crop
Internal links

Jewel Strawberries Planting Dates by Zone

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