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Boltardy Beets

Detroit Type · Amaranthaceae

Boltardy is a smooth round deep red beet selected for strong cold tolerance and improved bolt resistance compared with many standard table beets. Roots are uniformly shaped with dark ringless flesh and are useful for bunching, roasting, and storage. It is a dependable choice for early sowing where cool springs sometimes trigger seed stalks in other beets. Key facts: 50–60 days to maturity, 6+ hours of sun, 3–4 " spacing. Container-friendly (minimum 3-gallon pot).

Updated April 19, 2026 · Backed by 2 cited sources
Overview

At a Glance

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

Days to maturity
50–60 days
Sun
6+ hours
Full Sun, 6 8 Hours
Spacing
3–4 "
between plants
Seed start
0 weeks
before transplant
Container
Yes
3+ gallon pot
Height
1–1.5 ft
at maturity
Planting window

Zone Planting Guide

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Care

Growing Guide

Everything in one place: seed starting, transplant timing, watering, soil, and structural support.

Seed starting
Germination
Time5–10 days
Optimal temperature65°F
Seed depth0.5"
Moving outdoors
Transplanting
Minimum soil temp40°F
Harden off4 days
Moisture
Watering
Weekly1–1.5 "
NeedsConsistent
Drip or base watering
Root zone
Soil
pH range6–7
PreferredLoose Fertile Well Drained Loam
Beet - Boltardy seeds

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Beet - Boltardy seeds

Sow seed 1/2 inch deep in rows 12-18 inches apart.

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Resilience

Plant Health

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

Tolerance
Heat: Moderate Cold: Moderate Drought: Moderate

Common Issues

Poor Stand

Cause: The seedball often contains multiple embryos and needs thinning after emergence.

Prevention: Thin promptly so roots do not crowd each other.

Zoning

Cause: Interrupted growth from stress can cause light and dark rings.

Prevention: Keep fertility and moisture steady.

Leaf Spot

Cause: Humid weather can trigger Cercospora on older leaves.

Prevention: Water at soil level and rotate crops.

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 intensityMedium feeder
RecipesWorm Castings Topdress, Compost Tea
Timing
Harvest

Harvest when roots are 2 to 3 inches across and skin is smooth, or earlier as bunching beets.

Expected yield0.2–0.45 lbs/plant
Storage60 days — Trim tops to 1 inch and refrigerate or store cool and humid.
Plant relationships

Companion Planting

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

Avoid planting near
Herb Fennel
What you'll need

Growing Supplies

Based on Boltardy'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 Seeds Nowuniversity General extension beet guidance
Internal links

Boltardy Beets Planting Dates by Zone

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