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Menzies' fiddleneck

Amsinckia menziesii · Boraginaceae

The gardener's calendar

The right move for September

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

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ID card

Family
Boraginaceae
Type
Annual herbaceous plant
Mature height
30 to 60 cm
Flowering
Spring to summer (April to July)
Flowers
Small yellow-orange flowers in clusters
Origin
Western United States and Mexico
Hardiness
Low hardiness (warm temperate climate)
Foliage
Deciduous, hispid (hairy)

Care

Sunlight

Place your gromwell in full sun, with a minimum of 6 hours of direct sunlight daily. This plant thrives in warm, open locations. Avoid partial shade, which will slow its growth and flowering.

Soil

Grow it in well-drained, light, rather dry and poor soil. Gromwell tolerates sandy or rocky soils. Avoid stagnant moisture, which promotes root rot.

Watering

Water moderately during the first few weeks after planting. Once established, the plant is very drought-tolerant. Reduce watering in summer and let the soil dry between waterings.

Fertilizer

Fertilizer is generally not necessary. If your soil is very poor, a light application of balanced fertilizer in spring can stimulate growth, but go easy: excess nitrogen promotes foliage at the expense of flowers.

Pruning and maintenance

Pruning is not essential. You can pinch young plants to encourage a bushier habit. Remove spent flowers to extend blooming and prevent self-seeding if you want to control its spread.

Diseases and pests

Gromwell is generally resistant. Excessive moisture can promote fungal diseases. Watch for aphids during warm periods. Ensure good air circulation and moderate watering to prevent health problems.

Did you know?

Small-flowered gromwell has been traditionally used by indigenous peoples of the American Southwest and Mexico. Its small yellow-orange flowers actively attract wild bees and pollinators, making it an excellent ally for ecological gardens and dry areas.

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.