Show Off® Starlet Forsythia is a compact, deer-resistant hybrid that stays 2–3 feet tall and wide, producing dense yellow blooms from base to tip in early spring for gardeners in Zones 5–8.
Most full-size forsythia varieties devour space fast—reaching 8–10 feet wide within a few seasons—and that’s a problem when you want that iconic early-spring color in a tight garden bed. Show Off® Starlet Forsythia solves it. This dwarf Proven Winners® hybrid keeps the same bright yellow explosion as its giant cousins but tops out at 3 feet. It blooms heavily from ground level to tip, shrugs off deer, and fits into foundation plantings, borders, or stand-alone containers. The table below lays out its full specs.
Show Off® Starlet Forsythia: Key Specs and Attributes
| Attribute | Value |
|---|---|
| Botanical Name | Forsythia x intermedia ‘Show Off Starlet®’ (‘Minfor6’) |
| Patent | PP24,361 |
| Mature Height | 24–36 inches |
| Mature Spread | 24–36 inches (up to 4 feet in ideal conditions) |
| Bloom Color | Bright sunshine yellow, ~1 inch wide |
| Bloom Period | Early spring (March–April) |
| Foliage | Emerald green with yellow variegation |
| Fall Color | None (no appreciable fall color) |
| USDA Zones | 5–8 |
| Sun Requirement | Full sun to part sun (4–6+ hours) |
| Soil Type | Adaptable—clay, loam, well-drained, pH-neutral |
| Water Needs | Medium; drought-tolerant once established |
| Deer Resistance | High |
| Growth Rate | Medium |
| Spacing | 3–4 feet apart |
How To Plant Show Off® Starlet Forsythia For The Best Bloom
Getting the planting details right from the start is what separates a shrub that thrives from one that merely survives. Starlet is forgiving, but it has a few firm requirements.
Choose full sun when you can. Six or more hours of direct sun produces the densest flower coverage from base to tip. It tolerates part sun (4–6 hours), but flowering thins noticeably in deeper shade. Dig a hole twice as wide as the root ball but no deeper. Loosen the soil in the hole’s sides so roots spread easily. Backfill with the original dirt—no soil amendments needed—and water deeply to settle it. Space plants 3–4 feet apart to give mature widths room without crowding. A 2-inch layer of shredded bark mulch keeps roots cool and moist during the first growing season.
When Should You Prune This Forsythia?
Prune Show Off® Starlet right after it finishes blooming in late spring—that single timing rule protects next year’s flowers. The shrub blooms on old wood (flower buds that formed the previous season). Cutting it in fall or early spring removes those buds before they open. Most years, this dwarf needs minimal pruning anyway. If you want to shape it, selectively cut back the longest stems to a branch junction. Remove up to a third of the oldest canes at ground level every few years to renew the center. Skip pruning entirely during the bloom season.
Fertilizing, Watering, And Winter Care
Starlet isn’t a heavy feeder. A single application of balanced granular fertilizer in early spring works well if growth seems slow, but the plant performs fine without it. Water deeply once per week during the first growing season. After establishment, it tolerates dry spells—only water during extended droughts. Overwatering in heavy clay causes root rot faster than underwatering does.
For winter, apply a fresh 2–3 inch layer of mulch after the ground freezes to insulate roots in Zones 5 and 6. You can also cut branches in early February to force indoor blooms—place them in room-temperature water and buds open within 1–2 weeks.
Common Mistakes That Hurt Flower Production
| Mistake | Why It Hurts | Better Approach |
|---|---|---|
| Pruning after mid-spring | Removes next year’s flower buds | Prune only immediately after blooms fade |
| Planting in deep shade | Severely reduces bloom quantity | Site for 4–6+ hours of direct sun |
| Overwatering established shrubs | Promotes root rot in clay soils | Water only during extended dry periods |
| Expecting fall color | Leaves stay green until frost | Appreciate the early spring show; fill fall gaps with other perennials |
| Spacing too tight | Mature plants crowd each other, reducing airflow | Keep 3–4 feet between plants |
One more point on placement in Zone 5: harsh winters or late freezes can damage flower buds on plants sited in exposed, windy spots. A location near a south-facing wall or fence gives enough extra warmth to protect the buds during cold snaps. Proven Winners’ official Show Off® Starlet product page notes its improved resistance to crown rot and shoot blight compared to older forsythia cultivars—one less thing to worry about.
Is It Deer Resistant And Pest Free?
Yes to both. Show Off® Starlet ranks high in deer resistance across every nursery source surveyed. Rabbits generally leave it alone too. The shrub has no serious pest problems. Minor leaf spot or crown gall can appear but rarely requires treatment. Its high urban tolerance—salt spray, air pollution, compacted soil—makes it a strong choice for city front yards and roadside plantings.
Where To Buy And What To Look For
Look for the container label with the full trademarked name Show Off® Starlet Forsythia and the patent number PP24,361. The plant is sold by Jackson & Perkins, Proven Winners Direct, Bluestone Perennials, Great Garden Plants, Plant Addicts, and many independent nurseries. It ships in 1-quart or 3.5×3.5×4-inch plantable pots. Buying from a licensed Proven Winners® retailer guarantees you’re getting the true hybrid—not a mislabeled full-size seedling that will outgrow your space within two seasons.
References & Sources
- Proven Winners®. “Show Off® Starlet Forsythia.” Official product page with full growing specs, patent information, and retail locator.
- Jackson & Perkins. “Show Off Starlet Forsythia.” Retail listing with detailed growth habit and care instructions.
- Missouri Botanical Garden. “Forsythia x intermedia ‘Show Off Starlet’.” Botanical details, hardiness zone notes, and disease resistance information.