Celery Smallage Seeds — Apium graveolens Wild Celery / Leaf Celery, Herb Garden & Seed-Spice Plant, Pollinator-Friendly Umbel Flowers, Moist-Soil Outdoor Growing, 1000 Seeds

Technical Specifications

About Celery Smallage — Apium graveolens

Apium graveolens is the botanical species that encompasses wild celery, smallage, leaf celery, stalk celery, celeriac, and celery seed spice — all different cultivar groups of the same species. Smallage is the wild or leaf-celery form (A. graveolens var. secalinum) — the ancestral type from which modern stalk celery was developed through centuries of selection. It is more aromatic, more strongly flavored, and more cold-tolerant than supermarket stalk celery, with finer stems and leaves that are used as a culinary herb rather than a vegetable stalk.

Important identity note: Apium graveolens is not ajwain or carom seed. Ajwain (Trachyspermum ammi) is a completely different plant in the same family (Apiaceae) with a very different flavor profile (thymol-dominant, intensely pungent). The two plants are sometimes confused in search results because both are called “celery seed” in some markets. This product is Apium graveolens only.

Smallage has a long history in European and Asian culinary traditions as a leaf herb — used like parsley or lovage, with a strong, concentrated celery flavor. The leaves, stems, and seeds are all usable. The seeds, harvested from flowering plants in year 2, are the source of culinary celery seed spice — but growing your own seed requires the full plant cycle: sowing, growing, overwintering (in mild climates), flowering, and seed drying.

• More aromatic and strongly flavored than supermarket stalk celery — used as a culinary herb
• Not ajwain / carom seed — completely different plant (Trachyspermum ammi)
• Surface-sow only — seeds need light to germinate; do not bury
• Slow germinator — 14–21 days; patience and consistent moisture required
• Moist-soil crop — shallow roots dry out quickly; mulch and regular watering essential
• Pollinator-friendly white umbel flowers in year 2 (biennial flowering cycle)

Master Sowing & Growing Guide

Step 1 — Timing & Season Planning

Celery and smallage are cool-season crops that need a long growing season. Start seeds indoors 10–12 weeks before last frost for a spring planting, or 10–12 weeks before first fall frost for a fall planting. In warm climates (zones 8–10), fall planting is often more reliable — plants establish in cool weather and can be harvested through winter and spring.

Do not rush transplanting outdoors — young celery seedlings are sensitive to cold stress below 10°C (50°F), which can trigger premature bolting (vernalization). Harden off carefully before transplanting.

Step 2 — Surface Sowing (Critical)

Surface sowing is essential: Celery seeds are very fine and need light to germinate. Do not bury them. Sow onto the surface of a moist, fine-textured seed-starting mix and press gently to ensure contact with the soil. Do not cover with soil or compost.

Maintain soil temperature at 15–21°C (60–70°F). Keep the surface consistently moist — use a misting bottle to avoid disturbing seeds. Cover the tray with a clear lid or plastic wrap to retain moisture. Germination is slow and uneven — expect 14–21 days. Do not give up on a tray too soon.

Step 3 — Seedling Care & Transplanting

Celery seedlings are small and delicate. Thin to one seedling per cell when seedlings have 2–3 true leaves. Grow under bright light (a sunny window or grow lights) to prevent leggy growth. Harden off over 7–10 days before transplanting outdoors. Transplant into fertile, moisture-retentive soil amended with compost, spacing plants 20–30 cm (8–12 inches) apart. Water in well and mulch around plants to retain moisture.

Step 4 — Watering & Feeding

Consistent moisture is the most critical factor for celery and smallage. Shallow roots dry out quickly — mulch around plants and water regularly. Drought stress makes plants tougher, more bitter, and more prone to bolting. In containers, check moisture daily. Feed with a nitrogen-rich fertilizer every 2–3 weeks to support leafy growth.

Step 5 — Harvesting Leaves & Seeds

Leaf harvest: Begin harvesting outer leaves when plants are 20–30 cm tall (70–100 days from sowing). Cut outer stems at the base, leaving the center to continue growing. Smallage leaves are strongly flavored — use in smaller quantities than stalk celery.

Seed harvest (year 2): Allow plants to overwinter (in mild climates) or treat as biennial. In year 2, plants flower and produce seed umbels. Harvest seed heads when they begin to turn brown but before they shatter. Dry in paper bags and thresh to collect seeds for culinary use or replanting.

Culinary & Garden Applications

• Leaf herb: Smallage leaves used like parsley or lovage — strong celery flavor in soups, stocks, stews, and sauces.
• Celery seed spice: Seeds harvested from year-2 plants — used in pickling, spice blends, salad dressings, and coleslaw.
• Stocks & broths: Leaves and stems added to vegetable or meat stocks for a concentrated celery flavor.
• Herb garden: Grown alongside parsley, lovage, and other Apiaceae herbs for a culinary herb bed.
• Pollinator garden: White umbel flowers in year 2 attract bees, hoverflies, and parasitic wasps — beneficial for the garden ecosystem.
• Seed saving: Allow plants to flower and set seed for a self-sustaining supply of celery seed spice.

Common Growing Problems & Solutions

Frequently Asked Questions

Is this the same as ajwain or carom seed?

No. Ajwain or carom seed comes from Trachyspermum ammi — a completely different plant in the same family (Apiaceae). Ajwain has a very different flavor (thymol-dominant, intensely pungent, similar to thyme). This product is Apium graveolens — celery / smallage / wild celery. The two plants are sometimes confused in search results but are not the same.

What is the difference between smallage and grocery store celery?

Smallage (Apium graveolens var. secalinum) is the wild or leaf-celery form — the ancestral type from which modern stalk celery was developed. It has finer stems, smaller leaves, and a much stronger, more concentrated celery flavor. It is used as a culinary herb rather than a vegetable stalk. Supermarket stalk celery is a highly selected cultivar bred for thick, mild, blanched stalks — a different growing project requiring more intensive cultivation.

Can I grow celery seed spice from this product?

Yes, but it requires the full plant cycle. Celery seed spice comes from the dried seeds of Apium graveolens plants that have flowered and set seed — typically in year 2 of a biennial cycle. You need to grow the plant to maturity, allow it to flower, harvest the seed umbels when they begin to brown, dry them, and thresh the seeds. This is a multi-season project, not an instant spice source.

Why do celery seeds need to be surface-sown?

Celery seeds are very fine and require light to germinate. Burying them in soil blocks the light they need and prevents germination. Surface-sow onto moist seed-starting mix and press gently to ensure soil contact — do not cover with soil.

How many seeds are included?

1000 seeds per order.

Storage & Quality Assurance

• Store unused seeds in a cool, dry, dark place in a sealed container or the original packet.
• Optimal storage temperature: below 15°C (60°F) with low humidity.
• Celery seeds have moderate viability — best sown within 2–3 years of purchase for highest germination rates.
• This is a seed product for planting — not dried celery spice, ajwain, carom seed, or a live plant.
• Germination rates are influenced by surface-sowing technique, soil temperature, moisture, and growing conditions. Results vary by grower and location.