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Field gromwell

Buglossoides arvensis · Boraginaceae

The gardener's calendar

The right move for September

Ideal time to plant field gromwell: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

JFMAMJJASOND Planting

ID card

Family
Boraginaceae
Type
Annual or biennial herbaceous plant
Adult height
20 to 60 cm
Flowering
Spring to early summer (April-July)
Foliage
Deciduous, rough and hairy
Hardiness
Very hardy, frost-resistant
Origin
Europe, southwestern Asia

Care

Exposure

Field gromwell thrives in full sun or partial shade. Prefer a sunny exposure for generous flowering. It tolerates partially shaded areas but will flower less abundantly.

Soil

This plant appreciates well-drained, calcareous or neutral soils that are rather dry. It adapts to poor and rocky soils. Avoid overly moist and poorly drained soils that cause root rot.

Watering

Water moderately when planting and during prolonged drought. Once established, this plant is not very demanding for water. During periods of regular rainfall, no additional watering is necessary.

Fertilizing

Field gromwell does not require fertilizer. This species adapts to poor soils and appreciates minimal nutrition. Excessive feeding would promote foliage at the expense of flowering.

Pruning and maintenance

Little intervention is necessary. Remove spent flowers to encourage prolonged flowering. At the end of the season, you can cut back the plant or let it reseed naturally if desired.

Diseases and pests

Field gromwell is very robust and rarely subject to pests or diseases. No particular treatment is generally necessary. In very moist soil, watch for the appearance of root rot.

Did you know?

Field gromwell was once used in certain regions as an indicator of poor soil due to its affinity for calcareous and rocky lands. In traditional botany, the Boraginaceae family has long been associated with courage and strength, which explains its recurrent presence in herbals of antiquity.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.