Photo: "Aunt Molly's ground cherry fruit in husk" by karendotcom127
· CC BY 2.0
Aunt Molly's Ground Cherry
Standard · Solanaceae
Ark of Taste heirloom from 1850s Pennsylvania. Sweet-tart tropical flavor with pineapple, vanilla, mango, and banana notes. Fruit drops to the ground when ripe, so collect fallen ripe fruit rather than picking from the plant. Husk turns tan and papery, with golden-yellow fruit inside. Stores exceptionally well in the husk for 2 to 4+ weeks. Prodigious self-seeder that may return without replanting. High pectin for preserves. Unripe fruit, leaves, and husks are toxic; only eat fully ripe golden fruit. Deer resistant. Key facts: 70–90 days to maturity, 6+ hours of sun. Not recommended for containers.
Updated June 1, 2026·Backed by 3 cited sources
Overview
At a Glance
The essentials first: timing, light, spacing, seed-starting, container fit, and overall size.
Days to maturity
70–90 days
Sun
6+ hours
Container
Not recommended
Needs 5+ gal if attempted
Height
1–2.5 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.
Curly top virusBeet curly top virus (BCTV); Geminiviridae, Curtovirus
Severe
Disease
Late springPeak window months: Mar, Apr, May.
A virus spread by the beet leafhopper (*Circulifer tenellus*), mainly a problem in the western US — California, Arizona, Colorado, Idaho, New Mexico, Utah, and Washington. It has a broad host range, infecting beets, tomatoes, peppers, beans, and cucurbits. Infected plants develop curled, thickened leaves with purple-tinged veins on the undersides, stunted growth, and fruit that ripens prematurely. The leafhopper transmits the virus while migrating: it lands and briefly probes plants, and a single feeding of just a few seconds is enough to infect.
Triggers: Driven by leafhopper migration, not weather directly. The bugs overwinter in foothill weeds and head for gardens in late spring once the wild vegetation dries up. Hot, dry years push more of them into populated areas. Symptoms show up 7-14 days after a single leafhopper visit — and a single bite is all it takes.
Risk fades when: Migration peaks in late spring; once the main wave passes, transmission risk drops sharply. The virus doesn't hide in soil or plant debris between seasons, so risk resets each year.
A soil-borne fungus (*Sclerotium rolfsii*) that attacks plant stems right at the soil line during hot weather. It hits over 500 different plant species. Two telltale signs to look for: white fan-shaped fungal growth on the lower stem, mulch, and soil surface, and tan-brown spherical sclerotia (they look like mustard seeds) on infected tissue. Most active during sustained heat with humid conditions.
Triggers: Optimal at 86°F (30°C) soil and air temperature with humid conditions. Inactive below 70°F. Most damaging during sustained mid- to late-summer heat waves. It extends further north in warmer-than-normal seasons.
Risk fades when: Sustained cooler weather — highs below 80°F and overnight lows below 70°F for 5+ days — reduces fungal activity. The sclerotia (resting bodies) persist in soil for years, so resolution is seasonal, not curative.
Blossom dropEggplant prefers daytime temperatures of 70-95°F with nights of 55-70°F. Cold nights below 55°F chill the plant and pollen fails — common in early plantings and in cooler zones (5a-6b) where spring is short.
High
Physiological
MayPeak window months: May.
Eggplant prefers daytime temperatures of 70-95°F with nights of 55-70°F. Cold nights below 55°F chill the plant and pollen fails — common in early plantings and in cooler zones (5a-6b) where spring is short. Hot days above 95°F cause the same pollen abortion as in tomato and pepper. Eggplant is more cold-sensitive than its solanaceous cousins, so blossom drop appears earlier and lasts longer in marginal seasons. Plants recover once temperatures normalize.
Triggers: Eggplant is more cold-sensitive than tomato/pepper. Night <55°F for 2+ days triggers cold-flush blossom drop. Day >95°F + night >70°F triggers heat version. Brief exposure below 50°F can chill the plant and stop fruit set even after recovery.
Risk fades when: Risk fades once temperatures return to the eggplant comfort zone (70-95°F day / 55-70°F night). Plants typically resume flowering within 10 days; cold-damaged plants may take longer.
Corn earworm is the same species as tomato fruitworm and cotton bollworm — a polyphagous caterpillar that bores into ears of corn through fresh silks, into tomato and pepper fruit, into lettuce heads, and into bean and pea pods. In sweet corn, losses can reach 50%. The species migrates north annually from southern overwintering grounds; in much of the northern US, it does not survive the winter when temperatures drop below 30°F.
Triggers: Overwinters as pupa in top 2-4 inches of soil where winter temps permit. North of I-70 (Illinois IPM): does not reliably overwinter — populations arrive via migration mid-July through September. Females prefer fresh corn silks for egg-laying; older silks rejected.
A seedling killer caused by several different fungi working together. It hits vegetables, flowers, herbs, microgreens, and cover-crop seedlings the same way — seeds rot before they emerge, or young seedlings collapse right at the soil line. Wet seed-starting mix and poor airflow in seedling trays are the classic conditions.
Triggers: Wet soil or starting mix, poor drainage, seedlings packed too tightly, contaminated trays or media, and stagnant air all favor damping-off.
Risk fades when: Drying the soil surface and improving airflow slows new spread. Collapsed seedlings don't recover, but the rest of the tray can be saved.
Damping off of coffee seedlings caused by Fusarium sp. — Photo:
Scot Nelson
·
CC0 1.0
Root maggot complexDelia spp. complex: D. radicum (cabbage maggot), D. platura (seedcorn maggot), D. florilega, D. planipalpis
High
Pest
Jan–DecPeak window months: Jan, Dec.
The Delia root-maggot complex includes the cabbage maggot (D. radicum) on brassicas and root crops, the seedcorn maggot (D. platura) on bean/pea/corn seedlings, and several other species. Larvae tunnel into roots, basal stems, and seeds, killing seedlings outright or creating tunnels that ruin root crops for market. A 2021 Oregon industry survey found 100% of root crop growers reported cabbage maggot damage; 44% with 10-25% yield loss.
Triggers: Overwinter as pupae in soil/crop residue. Adults emerge early spring (300-600 GDD base 40°F after Jan 1 in PNW). Cool moist soils favor egg survival; soil >95°F in top 2-3 inches kills eggs. Multiple generations per year. Seedcorn maggot attracted to decaying organic matter — high risk after fresh-incorporated cover crop.
Hornworms are the largest caterpillars commonly found in vegetable gardens — up to 4 inches long, green, with a distinctive horn on the rear. Two large caterpillars can defoliate a tomato plant rapidly. Adults are large sphinx/hawk moths that hover like hummingbirds at evening flowers. The two species are virtually identical in damage and management; tobacco hornworm is more common in the south, tomato hornworm in the north.
Triggers: Overwinter as pupae in soil. Adults emerge mid-May to June. Females lay 1-5 eggs per plant visit on leaf undersides; up to 2,000 total. 2-3 generations in NC, 2-4 elsewhere. Larvae feed 3 weeks through 5-6 instars; bulk of feeding in last instars.
Aphids are soft-bodied sap-sucking insects that cluster on tender new growth. Most established plants tolerate moderate populations and will outgrow damage on their own, but aphids are the most important plant virus vectors in the garden, transmitting more than 100 plant viruses including potato leafroll, cucumber mosaic, and turnip mosaic. Honeydew excreted while feeding supports sooty mold growth and attracts ants that protect aphids from natural enemies.
Triggers: Optimal development at ~75°F (green peach aphid) per UC IPM Floriculture; melon aphid develops fastest above 75°F. Many species heat-intolerant above 90°F and crash in mid-summer. Soft new growth and over-fertilization with high N favor population buildup. Females give live birth parthenogenetically most of growing season — one generation in ~1 week under optimal conditions.
Risk fades when: Per UC IPM and Clemson HGIC, populations crash in mid-summer heat (>90°F) for many species, return in cooler conditions
Bird damageMultiple species: American robin (Turdus migratorius), European starling (Sturnus vulgaris), red-winged blackbird (Agelaius phoeniceus), cedar waxwing (Bombycilla cedrorum), house sparrow
Moderate
Pest
Jun–AugPeak window months: Jun, Jul, Aug.
Birds cause significant damage to ripening fruit (berries, grapes, figs, cherries), to newly-planted seeds, and to seedlings. Damage peaks during fruit ripening on berries and during seed-head ripening on sunflowers. Robins feed low on bushes; starlings feed in upper canopy; species and feeding patterns vary widely. Even partial damage opens entry points for diseases and insects.
Triggers: Damage seasonal — peak during fruit ripening (June-August in north). Dry years intensify damage as birds use fruit for water. Proximity to forest edges or harvested grain fields amplifies pressure.
Risk fades when: OSU EM 9286
Blossom end rotEggplant blossom-end rot is the same calcium-cascade mechanism that affects tomato and pepper, but it shows up less often because eggplant's fruit-expansion rate is slower and the plant is generally less calcium-deman…
Moderate
Physiological
Year-roundPeak window months: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.
Eggplant blossom-end rot is the same calcium-cascade mechanism that affects tomato and pepper, but it shows up less often because eggplant's fruit-expansion rate is slower and the plant is generally less calcium-demanding. When it does appear, it's almost always tied to a moisture swing — either the soil drying out between watering or heavy nitrogen feeding pulling calcium toward leaves. Long varieties (Japanese, Asian eggplant) are more susceptible than globe types.
Triggers: Same mechanism as tomato/pepper BER. Long Asian/Japanese cultivars more susceptible than globe types. Eggplant generally less affected because plants demand less calcium than tomato during fruit expansion.
Risk fades when: Risk fades quickly once watering is steady. Eggplant BER is generally self-limiting once the moisture pattern stabilizes.
Flea beetles are small (1/16-inch) shiny beetles that jump like fleas when disturbed. They chew small round 'shothole' or 'pinhole' damage in leaves and can destroy emerging cotyledons of broccoli or eggplant in 24 hours. Most species are host-family specific — crucifer flea beetle on brassicas, tuber flea beetle on potatoes, eggplant flea beetle on solanaceous crops.
Triggers: Overwinter as adults in leaf litter and field margins. Active at mid- to late-spring temperatures. Warm winter → higher next-spring populations (NC State). Hot dry conditions amplify damage on stressed seedlings.
Risk fades when: UMN: 1-2 generations in Minnesota, populations crash after mid-June
Japanese beetlePopillia japonica
Moderate
Pest
Jun–JulPeak window months: Jun, Jul.
Japanese beetle adults feed gregariously on the foliage and flowers of more than 300 host species, skeletonizing leaves by chewing tissue between the veins. Larvae (white C-shaped grubs) damage turf and root systems. Adults are active during the warmest part of sunny summer days, when populations can rapidly defoliate roses, grapes, and ornamentals. Do not use Japanese beetle traps near plants — the lures attract more beetles than they catch.
Triggers: One generation per year. Overwinters as larva in soil. Adults emerge late June-early July (peak July). Adults active during warmest part of sunny days. Females lay 40-60 eggs in turf 3 inches deep.
Risk fades when: Multiple sources confirm one generation, peak July
Root knot nematodeMeloidogyne spp. (M. incognita, M. hapla, M. javanica, M. arenaria)
Moderate
Disease
WinterPeak window months: Jan, Feb, Dec.
Microscopic soil-dwelling roundworms that burrow into plant roots and cause swollen knots (galls). Above ground, the plant looks stunted, yellowed, and wilted even with plenty of water. They attack over 2,000 plant species, so almost nothing is safe. They're most active in warm soil (70-85°F) and do more damage in sandy soils, where they move easily. Once a bed has them, populations stick around for years.
Triggers: Soil temperatures of 70-85°F are ideal for them; below 60°F they go dormant. Sandy soils make it easy for them to move and reproduce, while heavy clay slows them down considerably. In warm soil, a full generation completes in about 27 days.
Risk fades when: Activity drops sharply once soil cools below 60°F. Damage stops accumulating for the season, but the population stays in the soil and returns when warmth does.
Slugs and snails are nocturnal mollusks that chew irregular holes in leaves and clip off succulent seedlings. They leave characteristic silvery slime trails. Hermaphroditic and prolific, brown garden snails lay around 80 eggs per month for up to six clutches per year.
Triggers: Active at night and early morning in damp conditions. Coastal CA and southeast — active year-round. Spring rains and dense ground cover (mulch, debris, weeds) create harborage.
Risk fades when: UC IPM
Spider mitesTetranychus urticae (two-spotted spider mite, most common); also broad mite (Polyphagotarsonemus latus), russet mite (Eriophyidae)
Moderate
Pest
Jul–SepPeak window months: Jul, Aug, Sep.
Spider mites are tiny arachnids (1/50 inch) that feed on the undersides of leaves, producing characteristic silver-yellow stippling. Heavy populations produce visible webbing that interferes with pesticide coverage. They thrive in hot dry weather and drought-stressed plants. The two-spotted spider mite feeds on more than 180 cultivated plant species.
Triggers: Hot dry conditions; >90°F lifecycle <2 weeks. Drought stress amplifies. Broad-spectrum sprays (carbaryl, pyrethroids) trigger outbreaks by killing predators. Wisconsin Ext: 'as little as a month without significant rain during the growing season can favor a mite outbreak.'
Risk fades when: UMN Extension
ThripsFrankliniella occidentalis (western flower thrips), F. tritici (eastern flower thrips), F. fusca (tobacco thrips), Thrips tabaci (onion thrips)
Moderate
Pest
SpringPeak window months: Mar, Apr, May.
Thrips are tiny (1/16 inch) slender insects with fringed wings that puncture and rasp leaf surfaces, leaving silver stippling with black frass dots. The biggest concern is virus vectoring: western flower thrips is the principal vector of tomato spotted wilt virus (TSWV) and impatiens necrotic spot virus (INSV), which affect more than 600 plant species. Greenhouse and high tunnel infestations can be devastating.
Triggers: Hot dry weather; greenhouse/high tunnel environments. Female lays eggs inside leaf tissue. 2 larval stages feed; 2 non-feeding pupal stages in soil/litter. Lifecycle 10-21 days. Many overlapping generations. Bridge crops (spring wheat, peach, strawberry per NC State) build populations before vegetable hosts available.
Leafminers are tiny fly larvae that feed between the upper and lower surfaces of leaves, creating winding pale tunnels or blotchy patches. They rarely kill plants but can ruin the marketability of leafy greens grown for foliage. Allium leafminer is an emerging pest in the eastern US (first detected in Pennsylvania in 2017) that damages onions, garlic, leeks, and chives.
Triggers: Liriomyza trifolii: 1 generation in ~1 month at typical greenhouse temps, 14 days at 95°F, 64 days at 59°F (UC IPM). Adults active mid-day. Allium leafminer emerges late March-early April, second flight September-October. Broad-spectrum insecticides trigger outbreaks by killing parasitoids.
Risk fades when: UMD
7 more issues below · Show all 17 ↓
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
RecipesWorm Castings Topdress, Compost Tea
Timing
Harvest
Husk turns tan/papery. Fruit golden-yellow inside.
Plant relationships
Companion Planting
Helpful neighbors can support growth or deter pests. Keep antagonistic plants separated to reduce stress and competition.
Planting reminders for Ground Cherry, Aunt Molly's
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What you'll need
Growing Supplies
Hand-picked for your Ground Cherry, Aunt Molly's, with the extension research behind every recommendation.
Seed starting tray + heat mat
For gardeners who start seeds indoors, this combo improves even germination. Warm-season crops benefit from bottom heat. Look for a rigid tray, cell inserts with drainage, and a heat mat paired with a thermostat.
Source: Utah State University Extension; Iowa State University Extension; Mississippi State University Extension
Nearly every garden benefits from mulch for weed suppression, moisture conservation, and soil temperature moderation. For most home gardeners, quality organic mulch is the better buy over landscape fabric.
Source: Penn State Extension; Wisconsin Horticulture; Illinois Extension
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
Row cover adds frost protection, speeds early growth, and physically excludes insect pests without spraying. Look for spun-bonded fabric with a stated weight and frost rating, UV resistance, and enough width for hoops or low tunnels.
Source: University of Maryland Extension; University of New Hampshire Extension; Colorado State University Extension
K-State Research and Extension and University of Maryland Extension recommend shade cloth as a heat-management tool for vegetable gardens, with 30 percent shade rating most effective for tomatoes, peppers, and fruiting crops, and 40 to 50 percent for protecting heat-sensitive greens during hot summer months. University of Delaware research found 30 percent black shade cloth tripled marketable yield for bell peppers compared to unshaded plants, and Purdue trials showed shade cloth reduced maximum daily temperatures by 8 to 10 degrees Fahrenheit. Choose knitted polyethylene with reinforced grommets every 18 to 24 inches, mount on hoops or a frame with open sides for airflow, and remove or vent during prolonged wet weather to avoid increased humidity in the canopy.
Source: K-State Research and Extension; University of Maryland Extension; University of Delaware Cooperative Extension; Purdue University Extension
Reflective plastic mulch (white-on-black or silver)
North Carolina State Extension reports that white-on-black plastic mulch can reduce soil temperature by 5 to 20 degrees Fahrenheit and silver mulch by about 6 degrees, the opposite effect of black mulch which warms soil. This makes reflective mulch the appropriate plasticulture choice for hot zones (especially Zone 9a desert and other high-heat low-humidity areas) where overheating limits warm-season crop performance more than cold soil. Silver mulch adds documented aphid and thrips repellency from the reflective surface. Use only with drip irrigation installed underneath, never use plastic mulch without irrigation, and reserve for late spring or early fall plantings where the surrounding heat is the primary stress.
Source: North Carolina State Extension; University of Arizona Cooperative Extension
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
University of Minnesota Extension recommends measuring soil temperature 2 to 4 inches below the surface to decide when warm-season crops can actually be planted, because air temperature and average frost dates do not reliably predict whether soil is warm enough for germination. A dedicated soil thermometer with a 4 to 6 inch stainless steel probe gives gardeners a deterministic reading instead of relying on the calendar alone, which matters most in zones with wide last-frost variability. Look for a waterproof stainless steel stem, a clearly marked vegetable-garden temperature range, and a readable analog or digital display at planting depth.
University of Arizona Cooperative Extension notes that most vegetables root in the top 12 to 24 inches of soil and that hot, dry periods require more frequent irrigation, but watering by habit often wets only the top inch while leaving the root zone dry. A dedicated soil moisture meter with a long probe gives gardeners a deterministic reading at root depth instead of guessing from surface appearance, which is most critical in low-rainfall desert zones (Zone 9a Phoenix) and in raised beds or containers that dry from the top down. Look for a single-purpose moisture meter (not a 3-in-1 or 4-in-1 combo, which trade accuracy for feature count) with a probe that reaches 8 to 12 inches and a clear analog or digital display.
Source: University of Arizona Cooperative Extension
UF/IFAS Extension and Texas A&M AgriLife Extension recommend securing or removing trellises, shade cloth, hoop covers, container plants, and lightweight raised-bed accessories before tropical storms and hurricanes, since loose garden items become projectiles in high winds. Most-relevant for Gulf Coast Zone 8b (Houston, Mobile, New Orleans), Florida Zone 9b (Miami, Tampa), and any coastal area within the Atlantic and Gulf hurricane corridors. Galvanized steel ground anchors resist rust in humid coastal soils, and screw-in spiral anchors hold significantly better than driven stakes in saturated soil during storm conditions. Use quick-release fasteners on shade cloth and trellises so they can be removed quickly when a storm watch is issued.
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
Raised beds improve drainage, let gardeners control soil from day one, reduce compaction, and make gardening more accessible. A quality kit should use rot-resistant, food-safe materials and provide enough depth for productive rooting.
Source: Penn State Extension; University of Delaware Cooperative Extension; Illinois Extension
The most useful mix is three categories: a beginner guide, a reference manual for diagnosis and crop-by-crop lookup, and a soil science book. Look for region-aware editions, strong visuals, and evidence-based authorship.
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Research
Sources
Reference material and extension guidance used to build this growing guide.
university UMN Extension - Growing tomatillos and ground cherries in home gardensuniversity University of Maryland Extension - Fertilizing Vegetablesuniversity UC IPM - Nematodes in home landscapes
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