Cynoglossum off. Hound’s tongue

*Cynoglossum officinale*, commonly known as Hound's Tongue, is a biennial or perennial herb that is native to Europe and Asia. It is characterized by its attractive blue flowers and distinctive leaves. Here's a guide on how to grow Hound's Tongue:

**1. Planting Time:**
- Hound's Tongue can be grown from seeds. Sow the seeds directly in the garden in the fall or early spring. The plant requires a period of cold stratification for germination.

**2. Location:**
- Choose a location with partial to full shade. Hound's Tongue is often found in woodlands and areas with filtered sunlight.

**3. Soil Preparation:**
- Hound's Tongue prefers well-draining, slightly acidic to neutral soil. Amend the soil with organic matter, such as compost, to improve fertility.

**4. Planting Seeds:**
- Sow the seeds on the soil surface, and press them lightly into the soil. Water the area well after planting.

**5. Watering:**
- Keep the soil consistently moist during the germination period. Once established, Hound's Tongue is somewhat drought-tolerant. Water when the top inch of soil feels dry.

**6. Mulching:**
- Apply a layer of mulch around the plants to help retain soil moisture and suppress weeds.

**7. Thinning:**
- Thin the seedlings to provide proper spacing. This helps prevent overcrowding and allows the plants to develop well.

**8. Fertilization:**
- Hound's Tongue generally doesn't require heavy fertilization. A light application of a balanced fertilizer in spring may be beneficial.

**9. Pruning:**
- Prune or deadhead the plant after flowering to prevent self-seeding and encourage a tidy appearance. However, keep in mind that Hound's Tongue is known for its self-seeding ability.

**10. Pests and Diseases:**
- Hound's Tongue is relatively resistant to pests and diseases. Monitor for potential issues, and treat promptly if detected.

**11. Wildlife Attraction:**
- The flowers of Hound's Tongue are attractive to pollinators like bees and butterflies.

**12. Caution:**
- It's important to note that Hound's Tongue contains alkaloids that are toxic to livestock. Exercise caution and avoid planting it in areas accessible to grazing animals.

**13. Winter Care:**
- Hound's Tongue is hardy and can withstand winter temperatures. The plant may die back in winter and regrow in the spring.

**14. Native Plant Consideration:**
- If you are considering planting Hound's Tongue, check with local authorities or native plant organizations to ensure it is not considered invasive in your region.

Hound's Tongue can naturalize in suitable conditions, and its blue flowers can add beauty to shaded or woodland areas. Ensure that it is planted responsibly and won't negatively impact local ecosystems.