DescriptionBrilliant Celeriac SeedsScientific Name: Apium graveolens var. rapaceumFamily: CarrotType: Hardy AnnualNative Range: Canada; Lower 48 States; Hardiness Zones: 2-10; prefers to grow in colder climates and can withstand light frost (32°-34°); may become sweeter with cooler temperatures; Soil Requirements: Neutral pH roughly between 6-7; high in finished compost; may require boost of magnesium and/or calcium; mulching may be necessary to maintain moisture;Light Preference: Full sunWater: Maintain even level of moisture on a consistent basis for proper nutrient uptake; if celery does not get enough water on hot days, stalks will be dry and small;Days until Germination: 14-21 daysSowing: Sow brilliant celeriac seeds indoors in flats, 6 seeds/in, 1/8″ deep; keep moist with soil temperature between 65°-75°; transplant at 10-12 weeks;Plant Spacing: At true leaf stage, thin to 1″-2″; set outside after danger of frost, 10″-12″ apart and in rows 15″-18″ apart;Plant Height: 8″-10″Harvest: 100-110 days; harvest when crown of root is showing through soil, and is roughly 3″-4″ across; cut stems close to top of root, and use fork to lift out the celeriac; can withstand frost, but harvest before ground freezes; can store for 3-6 months;Grows Well With: Leeks; scarlet runner beans; tomatoes; cauliflower; cabbage; bush beans; Grows Poorly With: Corn; potatoes; aster flowers; carrots; parsley; parsnips;Potential Problems: Sprawling stalks; aphids; cutworms; whiteflies; bolting; mosaic virus; fusarium wilt;
