SproutSmart
SproutSmart Intelligent Garden Sowing

Whirlybird Series

Family: Tropaeolaceae Flower / Herb

Planting Schedule

Add Whirlybird Series to your garden to build a schedule and get reminders.

A whirl of color at the garden’s edge—Whirlybird Series nasturtium blooms with vivid, ruffled-edged flowers that seem to spin in the light.

The petals are tender and peppery, with a bright, lively bite, while the foliage stays succulent and crisp for a long season. Grow it for abundant edible flowers that shine in fresh displays and bring a playful, garden-fresh flair to salads, garnishes, and vibrant herb-forward mixes.

Light: Full SunMaturity: 35 DaysHabit: Upright

Botanical illustration of Whirlybird Series

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostApr 25th
Transplant / Sow OutdoorsApr 25th
Harvest BeginsMay 30th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity35
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)Not Required

Culinary Notes


Chef's Note

Whirlybird nasturtium is all about that fast, clean pepper—use it late so the petals don’t collapse and the bite stays sharp. Pair its peppery floral energy with creamy dairy or egg so it lands crisp, not harsh.

Best Uses

  • scatter over green salads at the last second so the petals stay lively
  • paper-thin as a crunchy garnish on tacos, burgers, or grilled fish
  • stir into herb-forward chimichurri-style sauces for a fresh pepper kick
  • float in briny cocktails or finish chilled soups for a spicy floral snap

Flavor Profile

tender, ruffled petals with peppery bite bright, slightly citrusy tang succulent, crisp leafiness

Kitchen Pairings

lime goat cheese eggs white fish chili oil balsamic vinegar

Frequently Asked Questions


What pest or disease most commonly affects Tropaeolum majus (Whirlybird Series), and how can I manage it at home?
A frequent problem is aphids, which cluster on tender new growth and can cause leaves to curl or become sticky. Rinse plants with a strong stream of water, then spray insecticidal soap (or a neem-based product labeled for aphids) in the early morning and repeat every 5–7 days until you see no new aphid growth. Watch for mildew-like spotting in humid weather and improve airflow by spacing plants and avoiding overhead watering.
How often should I water Tropaeolum majus during its main growth to keep it thriving in full sun?
Water when the top 1 inch of soil feels dry, typically about 1–2 times per week depending on heat; aim for evenly moist soil, not soggy. During the weeks leading up to flowering, keep moisture consistent—irregular dry spells followed by heavy watering can reduce flower quality. Water at the soil line, since wet foliage increases the chance of fungal spotting on nasturtiums.
How do I know when Whirlybird Series Tropaeolum majus is ready to harvest?
Harvest “flowers” (and tender leaves, if you want) as soon as buds open; the first blooms generally arrive around 35 days after sowing. For best flavor, pick flowers in the cool part of the day and choose fully opened blooms with crisp petals. If you want seeds, leave some pods to ripen on the plant until they turn darker and feel firm, then harvest before they naturally dry and scatter.