πŸ‡ΊπŸ‡Έ FREE -&- FAST USA SHIPPING when you spend $10+ today! (no code req'd)

🀩 NEW DAILY DEALS!

βœ‹ $5 OFF $10+ plus a FREE GIFT!

GIVEME5

NASTURTIUM GROW GUIDE

← GO BACK TO ALL GROW GUIDES

Β 

Depth to Plant
Spacing Between Plants
Days to Germinate (Sprout)
Germination
Soil Temp

Best Season to Plant_________
Sun
Requirement
Soil
Requirements
Good Plant Companions
Harvest Instructions


Shop Nasturtium Seeds

1/2" Deep 12" Apart 7-10 Days Approx. 70 degrees F. Early Spring Full Sun Well drained and sandy Roses and most vegetables Harvest blooms regularly to encourage new growth.Β 

Getting Started with Nasturtium Seeds

Nasturtiums are vibrant, easy-to-grow flowers that bring bold colors and a peppery charm to any garden. Whether you're a seasoned gardener or just starting out, planting nasturtium seeds is one of the most rewarding projects you can undertake. These cheerful bloomers thrive in organic growing conditions and require minimal fuss once established.

Choosing the Right Growing Environment

Nasturtiums prefer full sun to partial shade, ideally receiving at least six hours of direct sunlight daily. They're surprisingly tolerant of poor soil conditions, which makes them perfect for gardeners working with less-than-ideal garden beds. In fact, overly rich soil can lead to excessive foliage at the expense of flowers. Choose a location with well-draining soil and good air circulation to prevent moisture-related issues.

Preparing Your Seeds for Success

Nasturtium seeds have thick seed coats, so soaking them in room-temperature water for a few hours before planting can improve germination rates. This softens the outer shell and helps the seedling emerge more easily. Plant seeds directly into the garden after your last frost date, or start them indoors four to six weeks earlier if you prefer a head start.

Space seeds about eight to ten inches apart, planting them half an inch deep. Water gently but thoroughly after sowing, keeping the soil consistently moist until seedlings appear, which typically happens within one to two weeks.

Nurturing Young Seedlings

Once your seedlings emerge, reduce watering frequency slightlyβ€”nasturtiums don't appreciate constantly wet soil and are actually more drought-tolerant once established. Water only when the top inch of soil feels dry to the touch. Thin seedlings to their final spacing if you've planted them densely, as good air circulation helps prevent fungal issues.

Supporting Growth and Blooming

As your nasturtiums grow, you'll notice they're naturally vigorous plants. Pinching back young growth encourages bushier, more compact plants rather than long, trailing stems. If you're growing climbing varieties, provide a trellis or support structure early on so the vines can twine naturally.

Nasturtiums bloom prolifically without heavy feeding. If you use compost or organic mulch, it provides sufficient nutrients. Avoid high-nitrogen fertilizers, which promote leafy growth over flowers.

Managing Water and Preventing Problems

Water at the base of plants rather than overhead to minimize wet foliage, which can invite fungal diseases. In hot climates, afternoon shade and consistent moisture help plants flower longer. Nasturtiums are generally pest and disease resistant, though aphids occasionally appearβ€”a strong spray of water often dislodges them naturally.

Harvesting and Enjoying Your Nasturtiums

Flowers typically appear six to eight weeks after planting and continue blooming until frost. Regularly harvesting or deadheading spent blooms encourages more flowers throughout the season. Nasturtium flowers are entirely edible with a mild peppery flavor, making them a beautiful addition to salads. Seeds can also be collected at season's end if you'd like to save them for next year's planting.

In Summary

How to Grow & HarvestΒ Nasturtiums

Β 

Β 

When to Plant

Nasturtiums should be planted in the spring for a "summer show" once soil temperatures have reached around 70 degrees F.Β 


  • Nasturtium flowers are one of theΒ most popular edible flowersΒ grown in home gardens. The petals have aΒ slight peppery taste, and the seeds and leaves are also edible! You can even use the seeds as an alternative to capers.
  • Not only are the flowers pretty, Nasturtiums are great companion plants! They are also known to deter aphids, whiteflies, cucumber beetles & more.Β Learn more >
  • Nasturtiums should be planted in the spring for a "summer show".Β Plant in full sun, and in sandy, well drained soil. Generally, the poorer the soil quality, the more flowers the plant will produce! Deadhead your plants regularly to encourage new blooms, all season long.Β These flowers will self-seedΒ resulting in more flowers for years to come!
  • These are PERFECT for beginner gardeners! These annuals areΒ very easy to grow from seedΒ and can be grown just about anywhere, even places that are susceptible to drought.
  • The bright flower petals will liven up any garden, with very little effort!Β They are also GREAT for planting in hanging baskets or containers.

How to Plant

Plant in full sun, and in sandy, well drained soil. Generally, the poorer the soil quality, the more flowers the plant will produce! These seeds require darkness to germinate and will do best with planted a half of an inch deep, spaced at least 12" apart. Plants should appear within 7-10 days.Β These annuals are very easy to grow from seed and can be grown just about anywhere, even places that are susceptible to drought.Β 

When to Harvest

Deadhead your plants regularly to encourage new blooms, all season long. These flowers will self-seed resulting in more flowers for years to come!

Β 

Join the Monthly Seed Club!

Now starting at only $10/mo. + free USA shipping.

Already a member?Β Manage your subscriptions

... continue shopping!

continue reading