Gumplant (Grindelia)

What Gumplant (Grindelia) is

Gumplant (Grindelia) (Grindelia robusta) is a perennial herb of the Daisy family (Asteraceae). It is also known as a homeopathic remedy. This is a very beautiful perennial shrub that truly flowers continuously from the end of May to October.

The plant has very large, bright yellow flowers that are a very good source of nectar and pollen for bees, butterflies and other insects.

The buds are covered with a sticky resin, which protects it well against dehydration. It also especially loves dry places and can be used very well for a rock garden.

Excess moisture is perhaps the only thing that can be dangerous to this hardy plant. In addition, strong wind can cause problems because the stems bend easily.

Gumplant (Grindelia) is a medicinal plant with yellow sticky flower heads, used for coughs.

Key features

• Measured germination rate of the batch: 85%
• Seeds per packet: 42–58 pcs (0.2 g)
• Seed origin: Tanzania
• Sowing: March and April; transplants or direct
• Flowering: May – October
• Harvest: May – July
• Position: sunny spot

When to sow Gumplant (Grindelia)

Gumplant (Grindelia) seeds are sown in March and April. The plants flower in May – October. The crop is harvested from May to July. The months are a guide for a temperate climate — in warmer areas sow 1–2 weeks earlier, in cooler or upland areas, later.

How to sow and grow Gumplant (Grindelia)

• Sowing method: seedlings or direct
• Depth: 0.5 cm
• Spacing: 25–30 cm
• Germination: 10–20 days at 18–22 °C
• Position: sunny spot

Gumplant (Grindelia) prefers dry, nutrient-poor and wind-sheltered places. Outdoor sowing from mid-March to April. The plant germinates with light; just scatter the seeds over the ground and press them down lightly. If possible, sow immediately in the final position, as they do not like to be moved. Avoid overwatering.

Loves dry soil.

Harvest and use

The flowering tops are picked and dried.

Frequently asked questions

When should Gumplant (Grindelia) be sown?

The recommended sowing months are March and April. Sowing method: seedlings or direct.

How many seeds are in the packet?

The packet contains 42–58 seeds, pack size 0.2 g.

What is the germination rate of the seeds?

The measured germination rate of this batch is 85%. The test was carried out under controlled laboratory conditions; in the field, emergence depends on soil, temperature and moisture.