Organic Red Shiso Seeds

Perilla frutescens

Product code : GAIAS-0209

Organic Red Shiso seeds are part of our organic seed selection for Canadian gardens. (Perilla frutescens) is a vibrant, aromatic herb known for its rich purple-red leaves and unique flavour, which combines mint, basil, and a hint of anise. Thrives in full sun and well-drained soil. It is a hardy, low-maintenance plant that adds a bold, colourful touch to any garden and is often used in Asian cuisine for pickling, garnishing, or as a flavour enhancer. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Red Shiso seeds are presented here with Canadian seed starting and seasonal care guidance.
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Detailed plant guide
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Exposure
Full sun
Life cycle
Annual

Discover the plant

Common nameRed Shiso
FamilyLamiaceae
GenusPerilla
Speciesfrutescens
TypeOrganic seeds
Botanical namePerilla frutescens

Organic Red Shiso Seeds (Perilla frutescens). Organic Red Shiso seeds are part of our organic seed selection for Canadian gardens. (Perilla frutescens) is a vibrant, aromatic herb known for its rich purple-red leaves and unique flavour, which combines mint, basil, and a hint of anise. Thrives in full sun and well-drained soil. It is a hardy, low-maintenance plant that adds a bold, colourful touch to any garden and is often used in Asian cuisine for pickling, garnishing, or as a flavour enhancer. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. For practical seed starting, growing from seed succeeds best when the verified product depth, moisture and temperature guidance is followed.

Start inside a few weeks after the last frost, or direct sow outdoors in late April, after nightly room temperature are consistently above 8°C. Seeds are susceptible to damping-off if overwatered. 1/4-1/2″ direct 18-27°C Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. Move seedlings into bright light as soon as they emerge and rotate containers regularly to encourage balanced growth. Use the product details as a clear guide on how to start seeds while keeping the growing medium evenly moist, never saturated. For indoor seed starting, count back from local conditions and frost dates to decide when to start indoor seeds.

Harvest the flowering tops in late June and pick leaves as needed throughout summer. Harvest seeds for sowing next spring as October approaches. Tomato, Basil, Mint, Rosemary, Thyme. The packet contains 50 seeds. Water at soil level when the surface begins to dry, then adjust frequency for weather, drainage, and container volume. A light mulch can reduce splashing and moisture swings after the soil has warmed and plants are established. Inspect foliage, stems, and leaf undersides regularly so stress or pests can be addressed early. Feed moderately according to soil fertility; steady growth is preferable to excessive or unbalanced fertilizer applications.

Organic Red Shiso Seeds by Gaia, product image prepared for Canadian gardeners.

Sowing guide

It all startswith a seed.

Sowing depth

6 to 13 mm (1/4-1/2″) direct

Spacing / density

30 to 46 cm (12-18″)

Germination temperature

18-27°C

Germination time

Generally 7 to 21 days under the recommended conditions

Propagation

Seed propagation

Growing method

For Red Shiso, follow these sowing and growing guidelines for the variety. Start inside a few weeks after the last frost, or direct sow outdoors in late April, after nightly room temperature are consistently above 8°C. Seeds are susceptible to damping-off if overwatered. 1/4-1/2″ direct 18-27°C Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. Move seedlings into bright light as soon as they emerge and rotate containers regularly to encourage balanced growth. Where several seedlings compete for the same space, thin carefully and retain the strongest plants without disturbing their roots. Before outdoor planting, gradually acclimatize young plants to wind, sunlight, and changing temperatures over several days. Follow the stated spacing so air can move between plants and each plant receives adequate light, water, and nutrients. Water at soil level when the surface begins to dry, then adjust frequency for weather, drainage, and container volume. A light mulch can reduce splashing and moisture swings after the soil has warmed and plants are established. This seed starting sequence supports reliable growing from seed while preserving the product-specific depth and temperature facts.

Soil and care

The right care,at the right time.

Care level

Moderate

Seasonal care

For Red Shiso, adjust seasonal care to the plant’s actual growth cycle. Start inside a few weeks after the last frost, or direct sow outdoors in late April, after nightly room temperature are consistently above 8°C. Seeds are susceptible to damping-off if overwatered. 1/4-1/2″ direct 18-27°C Harvest the flowering tops in late June and pick leaves as needed throughout summer. Harvest seeds for sowing next spring as October approaches. Tomato, Basil, Mint, Rosemary, Thyme. The packet contains 50 seeds. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. Move seedlings into bright light as soon as they emerge and rotate containers regularly to encourage balanced growth. Where several seedlings compete for the same space, thin carefully and retain the strongest plants without disturbing their roots. Before outdoor planting, gradually acclimatize young plants to wind, sunlight, and changing temperatures over several days. Follow the stated spacing so air can move between plants and each plant receives adequate light, water, and nutrients. Water at soil level when the surface begins to dry, then adjust frequency for weather, drainage, and container volume.

Container growing

A garden,within reach.

Growing Red Shiso in a container requires suitable volume, drainage, and exposure. 10 to 15 L per plant with free drainage. Match the container to the plant's development and provide free drainage from planting onward. Read the packet directions before starting and keep the label so the variety remains clearly identified throughout the season. Prepare a clean, loose, well-drained growing medium and moisten it before placing the seeds so they are not displaced by the first watering. Keep the seedbed evenly moist without standing water because excess moisture reduces air around developing roots. Move seedlings into bright light as soon as they emerge and rotate containers regularly to encourage balanced growth. Where several seedlings compete for the same space, thin carefully and retain the strongest plants without disturbing their roots. Before outdoor planting, gradually acclimatize young plants to wind, sunlight, and changing temperatures over several days. Follow the stated spacing so air can move between plants and each plant receives adequate light, water, and nutrients. Water at soil level when the surface begins to dry, then adjust frequency for weather, drainage, and container volume. A light mulch can reduce splashing and moisture swings after the soil has warmed and plants are established.
Organic Red Shiso Seeds by Gaia, product image prepared for Canadian gardeners.

Bloom and dimensions

Its place,in your garden.

Mature height

46 to 61 cm (18-24″)

Foliage color

Purple to green

Foliage type

Herbaceous

Growth rate

Moderate

Growth habit

Upright to bushy

Frequently asked questions

Your questions,answered.

How many Red Shiso seeds are in the packet?
For Red Shiso, the packet information states: Approximately 50 seeds · lot GO-0000803 · germination >85%. This wording preserves the commercial approximation when one is provided and helps plan the number of containers or the length of the row without turning an estimate into a guaranteed count. Keep the packet closed in a cool, dry, dark place until sowing time. Keep the label with the seedlings so the variety remains correctly identified throughout the season. Use clean containers and write the sowing date on a water-resistant label. Avoid exposing unused seed to moisture or large temperature swings.
How should I start Red Shiso seeds in Canada?
For Red Shiso, follow the sowing directions on the packet. The recommended method is propagation by seed, at a depth of 6 to 13 mm (1/4-1/2″) direct. Follow these product-specific directions and adjust timing to the average last-frost date in your area. Moisten the growing medium before placing the seed so the first watering does not displace it. Label every container and maintain even moisture without allowing standing water. Move seedlings into bright light as soon as they emerge to encourage balanced growth. Thin carefully when several seedlings compete for the same space. For seed starting, label the cultivar and use the stated sowing depth instead of a generic estimate.
How long do Red Shiso seeds take to germinate?
For Red Shiso, the stated germination period is Generally 7 to 21 days under the recommended conditions, with a germination temperature of 18-27°C. Keep these conditions as steady as practical while allowing excess water to drain away. The temperature of the growing medium matters more than the surrounding air during this stage. Check moisture below the surface before watering again and avoid saturating the medium. Good air circulation helps young plants remain vigorous after emergence. Wait until the normal germination window has passed before assuming a seed will not emerge. When growing from seed, keep conditions stable for the full stated germination window before disturbing the mix.
Where should I grow Red Shiso in the garden?
For Red Shiso, the recommended exposure is Full sun. The stated spacing guideline is 30 to 46 cm (12-18″). For container growing, the product record recommends: 10 to 15 L per plant with free drainage. Allow for the mature habit so neighbouring plants do not restrict light or access for harvest. Choose a site that is easy to water and leave enough room for air to circulate around the foliage. In a container, make sure several holes allow excess water to drain freely. A light mulch can steady moisture after the soil has warmed and plants are established. Place plants where their growth can be observed and stress can be addressed early.
When and how should I harvest Red Shiso?
For Red Shiso, observe seasonal development and use the period of interest stated in the product record as a guide for enjoying the plant in the garden. No part should be eaten without explicit confirmation that it is edible for the exact species. Use a clean tool and handle the harvest carefully to avoid unnecessary injury to the plant. Harvest in dry weather when practical and remove damaged portions promptly. Wash only the parts intended for the kitchen and refrigerate perishable produce promptly. Never eat a plant part whose identity or edibility is uncertain.