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	Depth to Plant	Spacing Between Plants	Days to Germinate (Sprout)	Germination Soil Temp	Best Season to Plant_________	Sun Requirement	Soil Requirements	Good Plant Companions	Days to Maturity
Shop Hyssop Seeds	1/2" Deep	12-24" Apart	14-21 Days	68° F	Spring	Full Sun	Sandy soil	Cabbage	90-120

Preparing Your Seeds and Soil

Hyssop seeds are tiny and require light to germinate, so avoid burying them too deeply. Start seeds indoors 6–8 weeks before your last spring frost, or direct sow outdoors after frost danger passes. Use a seed-starting mix that drains well—hyssop doesn't tolerate wet feet. Sprinkle seeds on the soil surface, press them gently to make contact, and mist with water. Keep the soil consistently moist but not waterlogged during germination, which typically occurs within 10–14 days at temperatures between 65–70°F.

Light and Temperature Requirements

Seedlings need plenty of bright light to grow stocky and strong. If starting hyssop seeds indoors, place them under grow lights positioned 2–3 inches above the seedlings, running them for 14–16 hours daily. Hyssop is a cold-hardy perennial that thrives in full sun, so choose a location that receives at least 6 hours of direct sunlight. The plant adapts to various temperatures but prefers cooler conditions and actually benefits from some frost exposure once established.

Transplanting and Spacing

Once seedlings develop their first true leaves, thin them or transplant into individual pots to prevent crowding. Harden off seedlings by gradually exposing them to outdoor conditions over 7–10 days before planting outside. Space plants 12–18 inches apart to allow for air circulation and future growth. Hyssop doesn't need rich soil—in fact, it prefers lean, well-draining conditions. Amend heavy clay with compost or sand to improve drainage.

Watering and Ongoing Care

Water seedlings regularly until they're established, then reduce frequency as the plant becomes drought-tolerant. Once in the ground, hyssop needs minimal watering except during extended dry spells. Avoid overhead watering, which can encourage fungal issues. Pinch back young plants when they reach 4–6 inches tall to encourage bushier growth. Hyssop rarely needs fertilizer—too much nitrogen actually reduces the intensity of its aromatic oils and flower production.

Harvesting and Long-Term Success

You can begin harvesting leaves and flowers once plants are established, typically by mid-summer. Pinch off flower buds and leaf tips to encourage fuller growth and extend the harvest season. Hyssop self-seeds readily, so deadhead spent flowers if you want to prevent volunteer seedlings. The plant is naturally pest-resistant and attracts pollinators, making it a low-maintenance addition to gardens, herb collections, or landscape beds. With proper drainage and full sun, hyssop thrives for years with minimal intervention.

In Summary