Dwarf Jewel Mix

Nasturtium

Zone 4b Save Garden

Botanical illustration of Dwarf Jewel Mix

🌱 50d to harvest Bush

A riot of jewel-toned blooms—fiery scarlet, warm apricot, sunny yellow, and creamy white—tumbles over the garden with a peppery s…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	May 13th
Transplant / Sow Outdoors	May 13th
Harvest Begins	Jul 2nd
Harvest Ends	Sep 27th

Crop Details

Trait	Value
Days to Maturity	50
Sun Requirements	Full Sun
Growth Habit	Bush
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	55
Min Night Temp (°F)	40
Harden Off (days)	Not Required

Recommended Companions

Red Gem Marigold

Boston Pickling Cucumber

Frequently Asked Questions

What pests or diseases commonly affect Tropaeolum majus (dwarf jewel mix), and how can I treat them?

Tropaeolum majus is often bothered by aphids, which cluster on tender new growth and can stunt plants. Hose plants with a strong spray of water first, then spot-treat heavily infested tips with insecticidal soap and repeat every 5–7 days until the colonies stop. Watch for leaf spot and powdery mildew in humid weather; remove the worst affected leaves and water at the base to keep foliage dry.

How often should I water Tropaeolum majus during its main growing phase?

During active flowering growth, keep the soil consistently moist but not waterlogged—aim for top 1 inch dry before watering again. In full sun, this often means about 2–3 times per week, but adjust based on rainfall and pot size; potted plants typically need more frequent checks. Avoid soaking the crown, since Tropaeolum majus can decline when the roots sit constantly wet.

How can I tell when Tropaeolum majus is ready to harvest?

For a typical 50-day crop, start harvesting when the plants are actively producing flowers and pods, roughly when you see buds open reliably. Harvest flowers in the morning when they’re fully open for best texture and flavor, and pick pods before they get large and tough—young pods are best for use as capers-style treats. Keep picking regularly to encourage continued flowering through the season.

A riot of jewel-toned blooms—fiery scarlet, warm apricot, sunny yellow, and creamy white—tumbles over the garden with a peppery snap that’s as vivid as it looks. Dwarf Jewel Mix forms compact, tidy plants with tender, succulent leaves and crisp, flavorful flowers, perfect for adding lively color and zing to fresh arrangements and garnishes. Grow it for a quick 50-day payoff: abundant blossoms that keep coming, with a delightful bite that shines in salads, spring mixes, and bright pickled accents.

Sowing Tips

Transplant Conditions

Wait until soil reaches 55°F and nights stay above 40°F before moving outdoors.

Expert Note

Sow nasturtium seed directly after frost (cool soil slows growth) and avoid nitrogen-heavy fertilizer to keep plants compact and flowering.