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Malcolmia Plant Growing & Care Guide for Gardeners

Article by Dean Ravenscroft, Ph.D. - Updated 30th Oct 2023

In this Gardener's HQ guide, we'll explore cultivating Malcolmia plants in your garden, indoor spaces, and other settings.

At a Glance: Malcolmia
  • Plant Characteristics: Malcolmia is adorned with bright, funnel-shaped flowers, making it useful for keeping gardens vibrant and attracting pollinators.
  • Ideal Growing Conditions: This plant flourishes in full sun and prefers well-drained soil. Dry and sandy soils are particularly suitable.
  • General Care: While tolerant of drought, periodic watering and light fertilization can enhance blooms. Deadheading can promote prolonged flowering.
  • Tips for New Gardeners: Virginia stock is relatively low-maintenance and can be a great choice for beginners. Ensure good sun exposure, and monitor for occasional aphids.

Virginia Stock, and African Mustard: Cultivation & Garden Use

They have dainty four petaled flowers of purple or pink.

They look nice growing in garden borders.

A common name of Malcolmia is Virginia Stock.

Malcolmia
Malcolmia by Ripplestone garden; creative commons.

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Malcolmia Plant Growing and Care Guide

Common Names: Virginia Stock, African Mustard.
Family: Brassicaceae.
Life Cycle: Half hardy annual, hardy annual.
Height: 6 to 12 inches (15 to 30 cm).
Native: Europe, Africa.
Growing Region: Zones 3 to 8.
Flowers: Spring, summer and autumn.
Flower Details: Purple, lavender, pink. Four petals. Fragrant.
Foliage: Furry stems. Grows in clumps. Long siliques.
Sow Outside: Surface. Sow once per month from just before the last frost until the end of summer; and at the end of autumn in milder areas. Spacing four inches (10 cm).
Sow Inside: No.
Requirements: Full sunlight or partial shade. Moist soil. Regular watering.

How to grow Virginia Stock, African Mustard and other Malcolmia Plants in the Garden

It is best to grow Virginia Stock outdoors and to sow the seeds once a month (from early spring to autumn)This will allow continuous flowering from spring until autumn.

Late sown Malcolmia will also flower the following spring.

The seeds should be sown on the surface and take about two weeks to germinate.

Virginia Stock is able to grow in both sunny and partially shaded gardens.

Although the soil type is not important, it is beneficial to add manure when sowing seeds.

Caring for Virginia stock and other Malcolmia Plants

It is easy to look after Virginia stock, once growing they require regular watering. Remove plants following flowering.

For the last crop of Virginia stock plants, allow to set and drop seed. This will produce a bloom of Malcolmia plants the following spring.

Common Questions

How many members does the Malcolmia genus have?

The Malcolmia genus contains around 35 species, including Malcolmia maritima, commonly known as Virginia stock.

Do members of Malcolmia make a good garden or landscaping plant?

Malcolmia species, especially Virginia stock, make delightful additions to gardens with their dense clusters of flowers and pleasant fragrance.

Which Malcolmia species are most frequently grown by gardeners?

Malcolmia maritima (Virginia stock) is a popular choice due to its colorful flowers and fast-growing habit.

Are members of the Malcolmia plant genus fragrant?

Yes, Malcolmia maritima has a delightful, light fragrance that adds to its appeal in gardens and landscapes.

What is the perfect location to grow Malcolmia?

Malcolmia prefers a sunny location and well-drained soil. It is an excellent choice for borders, containers, or rock gardens.

Is Malcolmia invasive in the USA, if so in which states?

Currently, Malcolmia is not considered invasive in the USA.

How do I remove Malcolmia plants from my garden?

Malcolmia plants can be easily removed by pulling or hoeing. Since it is often grown as an annual, simply stop watering and it will naturally die back.

Summary

Malcolmia is a genus of annual or biennial plants, also known as Virginia stocks. They belong to the mustard family and bear clusters of small, cross-shaped flowers, adding splashes of color to gardens and landscapes.

Plant Malcolmia in a sunny location with well-drained soil. They're typically sown in spring after the risk of frost has passed. Water them regularly, but avoid overwatering as they can tolerate drier conditions.

I hope that you enjoyed this guide on how to grow Malcolmia plants. You may also enjoy the following Gardener's HQ growing guides: How to grow Malcolmia, Helianthemum plant, and Iberis plants.

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