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Verveine bleue. Petites fleurs violet foncé au sommet de tiges dressées. Le cadrage permet de voir les formes, les couleurs et les détails du sujet représenté. Les contours se détachent du fond de l’image, avec des différences de teinte et de texture visibles sur les surfaces. Cette vue accompagne la présentation du produit dans la boutique.

Perennial flower Verbenaceae

Blue Verbena Organic

Name: Blue Verbena Organic
Brand: Les jardins de l'écoumène
SKU: ECOU-SEMENCES
Price: 4.49 CAD
Availability: OutOfStock

Verbena hastata

Product code : JAREC-0244

Blue vervain, or *Verbena hastata*, produces slender spikes of small, violet-blue flowers. This native perennial thrives in fresh to moist soils and adds height to naturalistic plantings. It is suitable for the garden's wet areas, where its summer flowers can be visited by pollinating insects. These organic seeds from Jardins de l'écoumène allow you to prepare your own plants and follow their development from sowing. Design your composition taking into account the mature habit and the distance from which the flowers will be observed. Small corollas benefit from being placed closer to a path, while a tall silhouette can serve as a landmark at the back of a flowerbed.

Quantity: About 150 seeds
Exposure: Sun
Life cycle: Perennial

Common nameBlue vervain; American vervain

FamilyVerbenaceae

GenusVerbena

Specieshastate

TypePerennial flower

Botanical nameVerbena hastata

Reproducible seedsYes

Blue Vervain (Verbena hastata). Blue vervain, or swamp verbena, displays slender spikes of small purplish-blue flowers. This native perennial thrives in fresh to moist soil and adds height to naturalistic plantings. It is suitable for wet areas of the garden where its summer flowers can be visited by pollinating insects. These organic seeds from Jardins de l’écoumène allow you to prepare your own plants and monitor their development from sowing. Design your composition taking into account the mature habit and the distance from which the flowers will be observed.

Recommended sowing period: April to June or September to October. The recommended depth is 5 to 10 mm (1/4 to 3/8 in). Germination usually takes 14 to 30 days. For germination, maintain the soil at 18 to 22 °C (64 to 72 °F). Transplant young flowers when their true leaves have developed and their roots hold the root ball. Handle seedlings gently and avoid compressing the stem. Under lighting, gradually space out the containers so that the foliage does not overlap.

Swamp verbena, also known as blue vervain, forms slender floral spikes. This perennial thrives in an area that retains moisture and can complement a naturalistic planting. Design your composition taking into account the mature habit and the distance from which the flowers will be observed. The small corollas benefit from being close to a path, while a tall silhouette can serve as a landmark at the back of a bed. Repeat a few plants of the same variety to make the color legible. Maintain access for trimming and avoid crowding the clumps simply to fill the space immediately.

Sowing guide

It all startswith a seed.

Sowing depth

5 to 10 mm (1/4 to 3/8 in.)

Germination temperature

18 to 22°C (64 to 72°F)

Germination time

14 to 30 days

Sowing period

April to June or September to October

Propagation

Sowing

Growing method

Recommended sowing period: April to June or September to October. The depth to respect is 5 to 10 mm (1/4 to 3/8 in). Germination usually takes 14 to 30 days. For germination, keep the potting soil at 18 to 22 °C (64 to 72 °F). Transplant young flowers when their true leaves have developed and their roots hold the root ball. Handle seedlings gently and avoid compressing the stem. Under lighting, gradually space out the containers so that the foliage does not overlap. Acclimatization then prepares the plants for sun, wind, and temperature variations. Planting is done when conditions match their hardiness. Observe the succession of buds, open flowers, and withered parts to choose useful interventions. A cut should preserve the shoots that will flower next. On tall-stemmed plants, check supports after a windy episode. Light cleaning helps maintain the silhouette without stripping it. Adapt the end of the season to the plant's cycle: annuals and perennials do not require the same preparation for winter.

Soil and care

The right care,at the right time.

Care level

Regular during establishment, then adapted to growing conditions

Watering

Moderate

Soil type

Rich and well-drained

Fertilization

Fertilization supports growth and takes into account the nutrients already present in the soil or potting mix. Use mature compost or a fertilizer suitable for the crop, following the dosage instructions. Avoid using too many products, especially in a container where roots occupy a limited volume. Water as needed after application and observe foliage development before re-fertilizing.

Moisture

Keep the soil moist during germination, with no standing water; then adjust according to the crop.

Seasonal care

*Verbena hastata*, also known as blue vervain, forms slender flower spikes. This perennial thrives in moist areas and can be integrated into a naturalistic planting. Transplant young flowers when their true leaves have developed and their roots hold the root ball together. Handle seedlings gently and avoid compressing the stem. Under grow lights, gradually space out the containers to prevent foliage from overlapping. Acclimatization then prepares the plants for sun, wind, and temperature fluctuations. Planting out occurs when conditions match their hardiness. Observe the succession of buds, open flowers, and faded parts to determine necessary interventions. Pruning should preserve shoots that will flower next. For tall-stemmed plants, check their support after windy weather. Light trimming helps maintain their shape without stripping them bare. Adapt end-of-season care to the plant's cycle: annuals and perennials require different winter preparations. Choose between extending flowering and keeping seeds on some stems. Removing spent flowers is suitable for many annuals, while seed pods and dried inflorescences can offer decorative interest. Keep plants identified when they are no longer flowering and remove volunteer seedlings that are obstructing pathways. Blue vervain, or *Verbena hastata*, produces delicate spikes of small purplish-blue flowers.

Container growing

A garden,within reach.

Recommended pot size

Container, pierced and stable, wide enough for the plant to spread out and deep enough for the roots

Choose this exposure: full sun. Reserve this spread around the plant: 30 to 40 cm (12 to 16 in.). A flowering container composition must allow space for each plant's growth. Place upright forms where they remain visible and let trailing stems occupy the edge when present. Ensure that combined plants share the desired exposure and moisture. After a few weeks, observe areas that are becoming dense and only remove damaged parts or stems that disrupt the composition's balance. Blue vervain, or American vervain, produces slender spikes of small purplish-blue flowers. This native perennial thrives in fresh to moist soils and adds height to naturalistic plantings. It is suitable for wet areas of the garden where its summer flowers can be visited by pollinating insects. Observe the succession of buds, open flowers, and withered parts to choose useful interventions. A cut should preserve shoots that will flower next. For tall-stemmed plants, check their supports after a windy period. Light pruning helps maintain the silhouette without stripping it bare.

Bloom and dimensions

Its place,in your garden.

Mature height

1 to 1.5 m (3 to 5 ft)

Width / spread

30 to 40 cm (12 to 16 in.)

Growth habit

Drawn up

Bloom period

July to September

Harvest

Flowering from July to September

Garden associations

In goodcompany.

Companion plants

In a diversified plantation, you can reserve adjoining sections for these plants: echinacea, yarrow, monarda, rudbeckia. The combination here serves to organize space and harvests. Respect the height, light, and water needs of each plant, without crowding the foliage. Maintain an aisle for watering and picking, then remove finished crops to free up space. This organization facilitates maintenance without promising protection against pests. Design the composition, taking into account the adult habit and the distance from which the flowers will be observed.

Frequently asked questions

Your questions,answered.

How to successfully sow Blue Vervain?

Recommended sowing period: April to June or September to October. Sow to a depth of 5 to 10 mm (1/4 to 3/8 in). Germination usually takes 14 to 30 days. For germination, maintain the soil at 18 to 22 °C (64 to 72 °F). Transplant young flowers when their true leaves have developed and their roots hold the soil ball. Handle seedlings gently and avoid compressing the stem. Under grow lights, gradually space out the containers so that the foliage does not overlap. Acclimatization then prepares the plants for sun, wind, and temperature variations.

Can you grow Blue Vervain in a pot?

Choose this exposure: full sun. Reserve this spread around the plant: 30 to 40 cm (12 to 16 in.). A flowering container composition must leave room for each plant to grow. Place upright forms where they remain visible and allow trailing stems to occupy the edge when present. Ensure that combined plants share the desired exposure and moisture. After a few weeks, observe the areas that are densifying and remove only damaged parts or stems that disrupt the balance of the composition. Blue vervain, or American vervain, produces slender spikes of small purplish-blue flowers.

How do I care for Blue Vervain during the season?

Choose between prolonging the blooming period and saving seeds from a few stems. Removing spent flowers is suitable for many annuals, while dried seed pods and inflorescences can have decorative appeal. Keep plants identified when they are no longer in bloom and remove self-seeded plants that are blocking a path. Observe the succession of buds, open flowers, and faded parts to choose appropriate interventions. Pruning should preserve shoots that will flower later. For tall-stemmed plants, check their supports after a windy period. Light pruning helps maintain the silhouette without stripping it bare.

How to enjoy Blue Vervain in the garden?

Blue vervain, also known as American vervain, forms slender flower spikes. This perennial thrives in moist areas and can be incorporated into a naturalistic planting scheme. Blue vervain, or American vervain, produces delicate spikes of small, purplish-blue flowers. This native perennial prefers fresh to moist soil and adds height to naturalistic plantings. It is suitable for damp areas of the garden where its summer flowers can be visited by pollinating insects. Design the composition considering the mature habit and the distance from which the flowers will be observed. The small blossoms benefit from being placed closer to a pathway, while a tall silhouette can serve as a focal point at the back of a bed.

How to organize a Blue Vervain planting?

Design the composition keeping in mind the adult habit and the distance from which the flowers will be observed. Small blossoms benefit from being closer to a path, while a tall silhouette can serve as a landmark at the back of a bed. Repeat a few plants of the same variety to make the color legible. Maintain access for cutting and avoid packing clumps too tightly just to fill the space immediately. Observe the succession of buds, open flowers, and faded parts to determine necessary interventions. A cut should preserve the shoots that will flower next. For tall-stemmed plants, check their supports after a windy period.