Variety field guide
What to expect from Slow Bolt Arugula
Slow Bolt is an annual garden arugula selection grown for baby leaf, full-size greens, succession planting, cool-season gardens, and seed saving.
Open the complete descriptionHide the complete descriptionVariety traits, flavor, garden use, and the complete description
Discover the vibrant zest of our organic Slow Bolt Arugula, a culinary delight known for its peppery bite and lush green foliage. This hardy variety is specially cultivated to resist bolting, allowing for an extended harvest period. Its tender leaves are perfect for salads, garnishes, and sandwiches, adding a distinct, spicy flavor that invigorates any dish.
Minimum seeds per packet: 400 seeds.
About Slow Bolt
Slow Bolt is an annual selection of garden arugula, with a rosette habit and an expected height or spread of 7–12 in. It is best suited to baby leaf, full-size greens, succession planting, cool-season gardens, and seed saving. Notable traits include cut baby leaves young or harvest full-size plants before quality declines; peppery to mustard-like flavor that strengthens with age and heat.
Choose Slow Bolt when the garden plan calls for baby leaf, full-size greens, succession planting, cool-season gardens, and seed saving and the listed rosette habit fits the available space.
History and provenance
Peppery salad greens and mustard greens come from several Brassicaceae species. Garden arugula, wild arugula, upland cress, and mustard greens differ in life cycle, leaf texture, and heat tolerance, so this page preserves species-level identity rather than relying on flavor names alone. Arugula Seeds - Slow Bolt (Eruca vesicaria subsp. sativa) Arugula ‘Slow Bolt’ represents a thoughtful refinement of one of humanity’s oldest cultivated greens. While wild Eruca species once carpeted the stony hillsides of the Mediterranean basin, this modern strain was bred for endurance-resisting the early flowering (bolting) that often shortens arugula’s harvest window in warm weather. Its creation reflects generations of seed keepers and plant breeders seeking stability in a crop known for its speed and intensity. In Roman gardens, it was considered both an herb of passion and a food of the commons-sown between rows of vines and harvested fresh throughout spring and autumn.
Growing facts
| Scientific name | Eruca vesicaria (L.) Cav. subsp. sativa (Mill.) Thell. |
|---|---|
| Life cycle | Annual |
| Maturity | 40-49 Days |
| Germination | 3-7 Days at 45–60 °F |
| Seed depth | 1/4 in |
| Plant height / spread | 7–12 in |
| Growth habit | Rosette |
| Spacing | 6 in between plants; 12 in between rows |
| Sunlight | Full - Partial Sun |
| Soil | Loamy; pH 6.0–6.5 |
| Water | Moderate |
| Support | No-Support |
Starting Slow Bolt from seed
Sow 1/4 in deep and keep the seed zone evenly moist. Expect emergence in 3-7 Days when the seed-zone temperature is near 45–60 °F. Germination preparation: Direct sow into a prepared, weed-free seedbed; avoid disturbing developing roots or dense stands. Light requirement: Cover evenly to 1/4 in. Soaking: None required. Stratification: None required. Scarification: None required.
Planting and care
Plant during spring and provide full - partial sun. Space plants 6 in apart with 12 in between rows. Use loamy with a pH near 6.0–6.5, and follow a moderate watering plan. Support requirement: No-Support. Frost response: Hardy. Good container fit with drainage, even moisture, and the listed spacing
Harvest and use
Approximately 40-49 Days, from direct sowing to the listed baby-leaf or full-size harvest stage. Weather, soil temperature, and planting method can shift the actual harvest date. Harvest: Cut baby leaves young or harvest full-size plants before quality declines. Uses: Baby leaf, full-size greens, succession planting, cool-season gardens, and seed saving. Flavor: peppery to mustard-like flavor that strengthens with age and heat. Seed saving: Open-pollinated herb or leafy crop. Best uses include baby leaf, full-size greens, succession planting, cool-season gardens, and seed saving. Flavor and eating quality: peppery to mustard-like flavor that strengthens with age and heat.
Saving seed
Select several healthy, true-to-type Slow Bolt plants that match the expected rosette habit and overall plant form. Avoid saving seed only from the earliest or largest individual unless that is your deliberate selection goal. Pollination system: Open-pollinated herb or leafy crop. Compatible plants of the same species may cross to varying degrees through insects or wind. Separate compatible varieties that may flower together, or use cages, barriers, hand pollination, or another documented control appropriate to the crop. Allow selected plants to pass the eating stage and reach full botanical seed maturity. Harvest only when seed heads, pods, or fruits have matured enough for sound seed development. Clean the seed carefully, dry it thoroughly away from direct heat, label the lot with variety and year, and store it cool, dark, and dry. Test germination before an important planting or distribution season.
Common problems
Common concerns: Flea beetles, imported cabbageworm, cabbage loopers, aphids, slugs, root maggots, and clubroot risk where the pathogen is present. Management: Use rotation, insect netting before pests arrive, regular leaf inspection, sanitation, and well-drained soil. Do not plant the same brassica family repeatedly in one bed. Diagnosis note: Similar symptoms can have different causes. Compare plants of the same age, record weather and irrigation, and use local Extension or diagnostic support before applying a control.
Frequently asked questions
Frequently Asked Questions - Slow Bolt
When is Slow Bolt ready? Use 40-49 Days. Approximately 40-49 Days, from direct sowing to the listed baby-leaf or full-size harvest stage. Weather, soil temperature, and planting method can shift the actual harvest date.
How long does germination take? Expect 3-7 Days at about 45–60 °F. Cooler, hotter, crusted, saturated, or dry seedbeds can slow emergence.
How large does it grow? Expect about 7–12 in with a rosette habit. Space plants 6 in apart and rows 12 in apart. Support: No-Support.
Can it grow in a container? Good container fit with drainage, even moisture, and the listed spacing Use a container with drainage and enough volume to maintain the listed spacing and steady moisture.
Can I save seed? Open-pollinated herb or leafy crop. Keep compatible varieties isolated and allow selected plants to reach full seed maturity.
