White Lady Peach

White Lady was bred by Chris F. Zaiger, Leith M. Gardner, Gary N. Zaiger, and Grant G. Zaiger at Zaiger Genetics in Modesto, California, and patented as USPP5821 (filed February 4, 1985; issued December 9, 1986; now expired). The variety resulted from a first-generation cross: the seed parent was itself a selection derived from crossing O’Henry peach (USPP2964) with Giant Babcock peach (USPP1353), and the pollen parent originated from crossing May Grand nectarine (USPP2794) with Sam Houston peach (non-patented). The breeding objective was to combine large fruit size, high firmness, a high degree of red skin color seven to ten days before maturity, and freestone pit type with the sub-acid, low-acid flavor profile that Giant Babcock contributed through the maternal line. White Lady was one of Zaiger Genetics’ early flagship white-flesh introductions and helped establish the commercial market for premium low-acid white peaches in the United States. The variety’s parentage spans four prior commercial varieties across two generations of deliberate crossing.

White Lady requires 800–950 chill hours, placing it at the higher end of peach chill demands and making it well suited for climates where winters reliably deliver cold accumulation — USDA zones 5 through 9. Full sun is non-negotiable; canopy light penetration drives both fruit color development and the skin blush that distinguishes White Lady at market. Plant in loamy, well-drained soil at pH 6.0–7.0. Roots do not tolerate wet feet, so avoid heavy clay or low-lying areas where water pools after rain. Water requirements run 12–15 gallons per week from May through September — consistent moisture during cell division (May–June) supports the large fruit size this variety is capable of; erratic irrigation once sizing begins can trigger splitting or uneven development. Spacing at 15–20 feet between trees accommodates the vigorous, upright canopy at maturity. White Lady is a fast-growing tree that rewards growers who manage vigor early: keep the leader in check during the first two dormant seasons to push energy into scaffold branches rather than excessive height. In humid climates, good air circulation through appropriate spacing reduces the foliar moisture that favors brown rot and bacterial spot.

USDA Hardiness Zone: 5-9
AHS Heat Zone: 4-9
Chill Hours: 850-1050
Sun Requirements: Full Sun
Soil pH: 6.0-7.0
Soil Type: Loam, well-drained
Soil Drainage: Well-drained
Water Requirements: 12-15 gallons per week May through September
Plant Spacing: 15-20 ft apart
How to Prune: Open vase system; select 4-6 outward-facing scaffold branches; annual dormant heading cuts in late winter; remove water sprouts, crossing branches, and deadwood

White Lady grows 12–15 feet tall and 12–16 feet wide — a large, vigorous tree with an upright growth habit and medium-dense canopy. The fast growth rate means young trees put on height and scaffold mass quickly, which shortens the wait to first production (2–4 years from planting) but also requires attentive early training to establish the framework that will support heavy crops. The open vase system is the standard approach: select 4–6 outward-facing scaffold branches in the first dormant season, then use annual heading cuts in late winter to control height and force lateral branching. Remove water sprouts, crossing branches, and deadwood each year without exception — White Lady's vigor makes these recur reliably, and an overcrowded canopy is the primary driver of the disease pressure this variety faces. Foliage is deciduous, with the characteristic lanceolate peach leaf. Bloom arrives mid to late April in a temperate climate, with delicate pink flowers that are among the more showy of the standard peach bloom palette. The tree is described as a productive and regular bearer when thinning is practiced — without thinning, White Lady can slip toward biennial bearing, alternating heavy and light crop years. Thinning to one fruit every 6–8 inches along each scaffold branch is the standard corrective.

Mature Height: 12-15 ft tall
Mature Spread: 12-16 ft wide
Growth Habit: Large, vigorous, upright; medium dense; productive and regular bearer
Growth Rate: Fast
Foliage Type: Deciduous
Food Forest Layer: Canopy, Sub-canopy
Permaculture Role: Pollinator support, wildlife food, edible fruit producer
Leaf Color: Green
Fall Foliage Color: Yellow to orange
Thorns?: No
Attracts Wildlife: Pollinators (butterflies, hummingbirds) attracted to spring blooms
Life Span: 10-15 years

White Lady is self-fertile, setting commercially useful crops from its own pollen without a cross-pollinator present. Pollination is accomplished primarily by bees, and bloom timing in the mid-April window — mid to late April in temperate climate — places flowers when managed honeybee and native bee activity is building across zones 5 through 9. At the zone 5 edge, late-season cold snaps can clip open blooms; growers in that range should monitor late-April forecasts and have row cover available for nights that drop below 28°F once petals are open. Flower color is delicate pink, lighter in tone than many yellow-fleshed peach varieties and visually distinctive during the brief bloom window. While White Lady will produce without companions, planting near other mid-season peaches increases cross-pollination and can improve both fruit set and fruit size in years when bee activity is interrupted by rain during peak bloom. Compatible pollinator companions include Belle of Georgia and Peppermint — both mid-season bloomers that overlap reliably with White Lady's mid-April window. In years with prolonged cold or wet conditions at bloom, self-fertility provides a baseline crop even when bee activity is minimal, which is the practical advantage of this trait for commercial and home growers alike.

Bloom Season: Early
Bloom Window: Early Mar - Late Mar
Pollination Requirements: Self-fertile
Pollination Mechanism: Insect-pollinated (primarily bees)
Flower Color: Delicate pink
Ploidy: Diploid (2n)

White Lady produces 2–3-inch diameter freestone peaches averaging 175 grams — medium to large fruit that meets commercial sizing standards and stands out in a farmers market display. Flesh color is white to oyster white with red coloration near the stone, cloaked under skin with high red blush that deepens as the fruit approaches full maturity. The flavor profile is sub-acid and very mild, with sweetness forward and minimal tartness — a profile that appeals to consumers who find standard yellow peach acidity too sharp. Texture is very firm, which translates to excellent keeping and shipping quality; refrigerated storage extends to 1–2 weeks, giving growers flexibility between harvest and sale or use. Harvest falls in the very early season window: late June to early July in temperate climate, ahead of most other peach varieties and a market timing advantage when early stone fruit is in demand. Culinary applications are broad — fresh eating, canning, drying, and preserves all suit White Lady's mild flavor and firm flesh. Fruit flesh is fully edible; the seed kernel and leaves contain amygdalin and should not be consumed.

Ripening Season: Early
Harvest Window: Late Jun - Early Jul
Fruit Size: 2-3 inch
Fruit Weight: 175 g
Flavor: Sub-acid, very mild; very good eating quality
Fruit Color: White to oyster white flesh with red coloration near the stone; high red skin blush; freestone
Fruit Texture: Very firm
Fruit Skin: Fuzzy (characteristic of Prunus persica; nectarines are the smooth-skinned variant)
Bearing Habit: Annual (with thinning to prevent biennial tendency)
Years to Bear: 2-4 years
Storage Life: 1-2 weeks refrigerated; good keeping and shipping quality
Culinary Uses: Fresh eating, canning, drying, preserves, farmers market; excellent flavor fresh off tree

White Lady carries a moderate susceptibility profile across its primary disease threats — a profile typical of most commercial white-flesh peach varieties, meaning proactive management rather than reliance on genetic resistance is the correct approach. Brown rot (Monilinia fructicola) rates as moderately susceptible; this is the most damaging harvest-period disease for White Lady, and the very firm flesh — which delays softening — provides some practical advantage in slowing spore entry through skin wounds compared to softer-fleshed varieties. Bacterial spot (Xanthomonas arboricola pv. pruni) also rates moderately susceptible, with foliar and fruit symptoms most severe in humid climates with frequent summer rain events. Peach leaf curl (Taphrina deformans) and peach scab (Cladosporium carpophilum) similarly rate moderately susceptible; both are manageable with dormant-season copper applications before bud swell. Cytospora canker (Leucostoma persoonii / Leucostoma cincta) is the most serious structural threat, rating susceptible — prune only during dry weather, disinfect tools between cuts, and avoid large pruning wounds that create canker entry points. On the pest side, plum curculio (Conotrachelus nenuphar), oriental fruit moth (Grapholita molesta), peachtree borer (Synanthedon exitiosa), and brown marmorated stink bug (Halyomorpha halys) all rate susceptible. Physical exclusion netting, pheromone monitoring traps, and OMRI-listed kaolin clay applications are the primary organic management tools for this pest suite in the early-season harvest window White Lady occupies.

Brown Rot: Moderately Susceptible
Bacterial Spot: Moderately Susceptible
Peach Leaf Curl: Moderately Susceptible
Peach Scab: Moderately Susceptible
Cytospora Canker: Susceptible
Plum Curculio: Susceptible
Oriental Fruit Moth: Susceptible
Peachtree Borer: Susceptible
Brown Marmorated Stink Bug: Susceptible

• Thin to one per 6–8 inches: White Lady's annual bearing holds only with consistent thinning four to six weeks after petal fall — skipping triggers biennial bearing and reduces fruit size.
• Dormant copper at bud swell: A copper application before any green tissue shows addresses peach leaf curl and scab simultaneously — the highest-leverage single spray of the season.
• Prune only in dry weather: Cytospora canker enters through pruning wounds; cutting in wet conditions multiplies infection risk. Schedule structural pruning for dry late-winter days.
• Harvest before full blush: White Lady's blush deepens near maturity; harvest when background skin transitions to creamy white — waiting for maximum blush often means the flesh has softened past ideal texture.
• Early-market timing: Late June to early July harvest puts White Lady ahead of most peach competition — plan harvest capacity and cold storage accordingly.

Our 365-Day Plant Guarantee: We ensure that our plants are delivered to you alive and healthy. If your plant does not survive its first year, you're eligible for store credit under these conditions:

1. Your location falls within the appropriate USDA hardiness zone for the plant variety (refer to our hardiness zone map).
2. You maintain the roots' moisture and plant within three days of delivery, following the instructions in our Planting Guide.

If you're concerned about your plant's health, please consult our guide, How to Tell if Your Tree is Dead or Dormant. Remember, our plants are shipped in a dormant state and may leaf out at different times based on their species. To check for plant vital