Wyldewood Elderberry

Wyldewood is a wild selection of Sambucus canadensis made by Jack Milliken in 1995 near Eufaula, Oklahoma. Marge Milliken, subsequently recognized in elderberry circles as a central figure in popularizing the species for commercial production, brought the selection to the attention of researchers associated with the University of Missouri Elderberry Improvement Program — founded in 1997 by P.L. Byers and A.L. Thomas — where it entered evaluation trials. The University of Missouri released Wyldewood in 2010 as the first elderberry cultivar from that program, followed by Ranch in 2011. Wyldewood carries a plant patent, which the current listing notes. Its Oklahoma provenance from a warm-season, south-central climate distinguishes it from the northeastern and Canadian wild selections (Adams, Nova, Scotia, Johns) that anchored earlier American elderberry development. That southern origin contributes to its adaptation across a wide zone range and its reputation for indeterminate late-season ripening that extends the harvest window beyond most other cultivars.

Wyldewood's shallow root system is the primary reason consistent moisture matters throughout the growing season — drought stress during fruit development causes berry drop and compresses cyme size. Aim for 1 to 2 inches of water per week, either from rainfall or drip irrigation. The shrub tolerates a range of soil textures from clay to sandy loam, but performs best when organic matter is high enough to buffer moisture swings. Soil pH in the 5.5 to 6.5 range keeps iron and manganese available; pH creep above 6.5 shows up as interveinal chlorosis on young leaves. Full sun maximizes yield and anthocyanin development — partial shade sites still produce, but cyme weight tends to drop 20 to 30 percent. Space plants 5 to 8 feet apart to allow air movement, which matters for reducing foliar disease pressure. Begin fertility with a light balanced application at leaf-out; avoid heavy nitrogen in midsummer, which drives vegetative growth at the expense of berry fill.

USDA Hardiness Zone: 3-9
AHS Heat Zone: 2-9
Chill Hours: 300-500
Sun Requirements: Full Sun to Partial Shade
Soil pH: 5.5-6.5
Soil Type: Loam, clay, or sandy loam; tolerates wide range; prefers well-drained soil with high organic matter
Soil Drainage: Well-drained to average moisture; avoid poorly drained soils
Water Requirements: Medium; 1-2 inches per week during dry periods; not tolerant of drought stress; shallow-rooted, requires consistent moisture during establishment
Drought Tolerance: Low
Plant Spacing: 5-8 ft apart
How to Prune: No pruning needed in first two years; thereafter remove dead, damaged, and canes over 3 years old during late fall dormancy; can be mowed to ground level in warmer climates after dormancy — new stems produce fruit the following year

Wyldewood develops as an upright, multi-stemmed shrub reaching 5 to 10 feet tall and 5 to 8 feet wide under typical managed conditions. The suckering growth habit means the plant spreads laterally over time, gradually forming a thicket if suckers are not managed annually. Individual canes are productive for 2 to 3 years; older canes become less fruitful and should be pruned out during dormancy to keep the stand vigorous. The fast growth rate — common to the species — means first-year plants can easily add 4 to 6 feet of stem length after establishment. Bright green pinnately compound leaves provide a coarse, lush texture through summer, transitioning to yellow in fall. Creamy white flat-topped corymbs (flower clusters) up to 10 inches across open in early summer and carry a light lemony fragrance that draws native bees and butterflies. The hollow stems left after pruning provide shelter for cavity-nesting native bee species — an ecological benefit beyond fruit production.

Mature Height: 5-10 ft tall
Mature Spread: 5-8 ft wide
Growth Habit: Upright, multi-stemmed shrub; suckering; can form thickets
Growth Rate: Fast
Foliage Type: Deciduous
Food Forest Layer: Shrub
Leaf Color: Bright green
Fall Foliage Color: Yellow
Thorns?: No
Attracts Wildlife: Bees, butterflies, songbirds, hummingbirds, small mammals
Life Span: individual canes 3-5 years; plant crown long-lived

Wyldewood is partially self-fruitful but responds strongly to cross-pollination — planting at least two cultivars within 60 to 100 feet is the practical standard for commercial or heavy home production. Flowers open from early June through mid-July in temperate climates, a relatively long bloom window that improves the odds of pollen overlap with other cultivars. Insects, primarily native bees and honeybees, carry pollen between plants; wind contributes secondarily. For best results, pair Wyldewood with Bob Gordon Elderberry or Adams Elderberry, both of which share overlapping bloom windows and are proven companions in University of Missouri trials. Ranch Elderberry and York Elderberry also serve as suitable cross-pollinators. Avoid planting a single cultivar monoblock if commercial-scale yields are the goal.

Bloom Season: Very Late
Bloom Window: Early Jun - Mid Jul
Pollination Requirements: Cross-pollination required for best production; plant at least 2 cultivars within 60-100 feet; partially self-fruitful but yields greatly increased with cross-pollination
Pollination Mechanism: Insect-pollinated (bees and other insects); also wind-assisted
Flower Color: Creamy white

Berry clusters are dense, flat-topped corymbs holding dozens of small drupes averaging about 0.25 inch in diameter. Fruit juice registers around 8.3 Brix soluble solids and a pH near 4.92 — moderately tart with a sweet-forward profile once cooked. The dark purple-black skin carries high anthocyanin pigment content, which makes Wyldewood particularly well suited for juice, syrup, and supplement processing where deep color is a quality marker. Ripe berries must be cooked before consumption — raw elderberries contain cyanogenic glycosides (sambunigrin) that cause nausea. Flowers are edible fresh or dried, used for elderflower cordials and beverages. Mature plants yield 20 to 35 pounds annually under good management. Fresh berries are highly perishable and should be refrigerated within 4 hours of harvest, then frozen or dried within 5 days. Primary culinary applications include jams, jellies, wine, juice, pies, syrups, and medicinal preparations traditionally associated with immune support.

Ripening Season: Late
Harvest Window: Mid Aug - Mid Sep
Fruit Size: 0.25 inch
Fruit Weight: 52-111 mg per berry
Flavor: Sweet, slightly tart; fruit juice pH 4.92, 8.3 Brix soluble solids; best cooked or processed
Fruit Color: Dark purple-black
Fruit Texture: Firm and juicy
Bearing Habit: Indeterminate — flowers and ripens fruit continuously across the season; cymes produced on current-season wood from 2-3 year old canes
Years to Bear: 1-2 years
Yield: 20-35 per mature plant annually
Storage Life: Short - refrigerate within 4 hours of harvest; freeze or dry within 5 days; highly perishable fresh
Culinary Uses: Jams, jellies, wine, juice, syrups, pies, elderflower cordials; antioxidant-rich; immune support; traditionally used in herbal medicine

Wyldewood shows moderate susceptibility to Tomato Ringspot Virus (Tomato ringspot nepovirus), which is soil-transmitted via dagger nematodes. Controlling the nematode vector through cover cropping with non-host species (small grains, marigolds) and avoiding replanting into previously infected soil are the primary cultural defenses — there is no curative treatment once a plant is infected. Moderately susceptible to Powdery Mildew (Microsphaera penicillata / Erysiphe spp.) as well, which surfaces during warm days followed by cool nights; pruning for airflow and removing affected canes promptly reduces inoculum load. Verticillium Wilt (Verticillium dahliae) is another area of moderate susceptibility — avoid sites with a history of tomato, potato, or strawberry to reduce soilborne inoculum. On the pest side, Japanese Beetle (Popillia japonica) is a genuine concern: hand-picking adults in the early morning and using kaolin clay as a physical deterrent are organic-approved strategies. Spotted Wing Drosophila (Drosophila suzukii) targets ripening fruit; fine mesh netting over plants as berries color up and prompt harvest reduce losses. Fungal Canker (Cytospora, Nectria, Diplodia spp.) and Phytophthora Root Rot (Phytophthora spp.) show moderate resistance, and proper cane rotation plus well-drained soil adequately manage both threats. Elder Shoot Borer (Achatodes zeae) and Eriophyid Mite (Phyllocoptes spp.) similarly show moderate resistance.

Tomato Ringspot Virus: Moderately Susceptible
Fungal Canker: Moderately Resistant
Powdery Mildew: Moderately Susceptible
Verticillium Wilt: Moderately Susceptible
Phytophthora Root Rot: Moderately Resistant
Japanese Beetle: Susceptible
Spotted Wing Drosophila: Moderately Susceptible
Elder Shoot Borer: Moderately Resistant
Eriophyid Mite: Moderately Resistant

• Always cook the berries: Raw elderberries contain sambunigrin, a cyanogenic glycoside that causes nausea. Heat deactivates it — syrup, jam, juice, and baked applications are all safe once fully cooked.
• Japanese Beetle management: Adults skeletonize foliage quickly in midsummer. Hand-pick in early morning when beetles are sluggish, or apply kaolin clay barrier spray before peak beetle season. Avoid using beetle traps near the planting — they attract more beetles than they catch.
• Cane rotation keeps yields high: Remove all canes older than 3 years during late fall dormancy. Productive wood is 2 to 3 years old; older canes produce fewer and smaller cymes.
• Nematode site selection: Tomato Ringspot Virus spreads via dagger nematodes in the soil. Avoid planting into sites with a history of Ringspot-susceptible crops; pre-plant cover crops of sudangrass reduce nematode populations.
• Cross-pollinator placement: Maximum yield requires a different cultivar within 60 to 100 feet. Plant Bob Gordon or Adams Elderberry as companions — both overlap Wyldewood's bloom window and are proven in research plots.

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