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White Cloud Sweet Peppers

White Cloud · Solanaceae

Small- to medium-fruited sweet bell-type pepper with an unusual ivory-white immature stage. Crisp, mild, and ornamental as well as useful fresh or cooked. Key facts: 70–75 days to maturity, 8+ hours of sun, 18–24 " spacing. Container-friendly (minimum 5-gallon pot). Requires stake for best results.

Updated April 19, 2026 · Backed by 4 cited sources
Overview

At a Glance

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

Days to maturity
70–75 days
Sun
8+ hours
Full Sun, 8+ Hours
Spacing
18–24 "
between plants
Seed start
8–10 weeks
before transplant
Container
Yes
5+ gallon pot
Height
2–3 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
Time7–21 days
Optimal temperature80°F
Seed depth0.25"
Moving outdoors
Transplanting
Minimum soil temp65°F
Harden off7 days
Moisture
Watering
Weekly1–2 "
NeedsConsistent
Drip or base watering
Root zone
Soil
pH range6–7
PreferredWell Drained Fertile Loam With Organic Matter
Structure
Support
TypeStake — Light staking helps prevent branch breakage on plants carrying clusters of blocky fruit.
Resilience

Plant Health

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

Tolerance
Heat: Moderate Cold: Low Drought: Low

Common Issues

Blossom End Rot

Cause: Calcium transport disruption caused by inconsistent moisture during early fruit growth.

Prevention: Maintain steady moisture, mulch, and avoid heavy nitrogen surges.

Sunscald

Cause: Fruit exposed suddenly after foliage loss or under intense heat develops pale leathery patches.

Prevention: Keep plants growing steadily and avoid severe pruning.

Bacterial Leaf Spot Or Anthracnose

Cause: Warm humid weather and splashing water spread foliar and fruit diseases.

Prevention: Rotate crops, avoid overhead irrigation, and use copper only when disease pressure rises.

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
CalciumCritical — supplement recommended
RecipesRoot Drench, Worm Castings Topdress, Compost Tea
Timing
Harvest

Harvest when fruit reaches full size and desired stage: ivory white for novelty or orange-red for fullest sweetness.

Expected yield4–6 lbs/plant
Storage7 days — Store unwashed peppers cool and dry; refrigerate briefly if needed but use quickly for best texture.
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 White Cloud Pepper'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 Clemson HGICinference GDD and expected-yield estimates from maturity window, fruit size, and standard home-garden sweet-pepper performance
Internal links

White Cloud Sweet Peppers Planting Dates by Zone

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