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Garden nasturtium        

Tropaeolum majus

'Garden nasturtium' is a plant in the Tropaeolum genus with a scientific name of Tropaeolum majus. The botanical name epithet for Garden nasturtium (majus) means 'great'.

Edible and ornamental, this plant grows stems up to 1 meter (1 yard) long or longer. The leaves are medium green, large and nearly circular. The leaves are held upright. The leaves and flowers are edible, and have a zippy, peppery flavor. Immature seeds are also edible, and are sometimes used a a substitute for capers. Listed as an invasive plant in many areas, including New Zealand and Hawaii.

Blooms appear in these approximate colours:   Orange-red and   Mikado yellow and   Mordant red 19. When mature, they grow to 5.0 cm (1.95 inches imperial) in diameter.The mature flowers take a single hose-in-hose form, with an approximate petal count of 5. When ripe, fruit appear in these approximate colours:   Pastel green and   Rosy brown. Leaves appear approximately as a   Grade 1 Paint Green and   Dark pastel green colour. It is an edible flower / herb that typically grows as an annual/perennial, which is defined as a plant that can matures and completes its lifecycle over the course of one year or more. Garden nasturtium is known for growing with a spreading habit to a height of approximately 40.64 cm (that's 1.32 feet in imperial). This plant tends to bloom in early summer, followed by first harvests in late summer. This plant is a great attractor for butterflies and bees, so if you are looking to attract wildlife Garden nasturtium is a great choice. Popular varieties of Garden nasturtium include: Empress of India, Alaska Mix, Dwarf Jewel Blend, Fordhook Favorites Mix and Trailing Mixed Colours.

Bolivia is believed to be where Garden nasturtium originates from.

Garden nasturtium is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!

This plant info is provided by the myfolia gardener's wiki. All details about Garden nasturtium have been kindly provided by our members.

How to grow Garden nasturtium

  • Partial Sun

    OR +
  • Dappled Sun

  • Medium

Pick the flowers it will encourage more to grow
Watch out for caterpillars, that will munch all the leaves

Try to plant in a location that enjoys partial sun / dappled sun and remember to water moderately. Use Zone 10 - Zone 11 as your guideline for the appropriate climate for this plant. Ideally plant in loamy, sandy and clay soil and try to keep the ph of your soil between the range of 6.1 and 7.8 as Garden nasturtium likes to be in weakly acidic soil - weakly alkaline soil. Keep in mind when planting that Garden nasturtium is thought of as hardy, so this plant will grow or become dormant during the winter.

See our list of companion Plants for Garden nasturtium to see which plants you should plant in close proximity to encourage growth.

Growing Garden nasturtium from seed

If you soak the seeds in a glass of water overnight, before sowing them, they germinate a lot better!
The seeds are large and it is easy to space them the correct distance for direct sowing

Sow at a depth of approx. 0.5 inches (1.27 cm) and aim for a distance of at least 1.95 inches (5.0 cm) between Garden nasturtium plants.

By our calculations*, you should look at sowing Garden nasturtium about 14 days before your last frost date .

Transplanting Garden nasturtium

A good plant for poor and stony ground.
Best to sow direct
As the seedlings develop, thin to achieve a final spacing of 25cm.

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Garden nasturtium is a hardy plant.

Seed Saving Garden nasturtium

Easy large seeds to harvest, dry and store

Common Garden nasturtium problems

These problems, diseases and pests are known to affect Garden nasturtium plants:

If the ground is good and fertile leaves will grow and the flowers will be lost underneath. Dry, stony, poor, ground produces more flowers and less leaf growth

Caterpillars, Cabbage White and chubby green ones that are more difficult to see!

Other names for Garden nasturtium


Tropaeolum x majus

Misspellings: Nasturtum

Latest Garden nasturtium Reviews

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Garden nasturtium care instructions

How long does Garden nasturtium take to grow?

These estimates for how long Garden nasturtium takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

When should I plant Garden nasturtium?

Our when to plant Garden nasturtium estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!


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