Skip to main content
← All plants

Rue

Ruta graveolens
Also known as: Common Rue, Herb-of-Grace, Garden Rue

Rue is a herb in the Rutaceae family. It grows best in full sun with dry to medium moisture, and is listed for USDA zones 4-13. Plants reach harvest about 64–86 days after planting and sit about 12 inches apart.

Varieties

1 from Seeds Now · sorted by days to maturity
  • Rue64–86 days

    Can tolerate hot temperatures; Direct sow; Grows well in full sun; Grows well with containers; Grows well with raised beds; Matures in <90 days; Start indoors; Super easy to grow

    Needs full sun to grow well It is drought tolerant and rarely, if ever needs to be watered Rue has a long history of use as a domestic remedy, being especially valued for its strengthening action on the eyes The plant contains flavonoids that reduce capillary fragility, which might explain the plants reputation as an eye strengthener. Days to Maturity | 75 days **Warning** Although rue is safe when used correctly, it is considered a toxic herb that can cause side effects such as severe rashes, mood swings, sensitivity to light, stomach pains, dizziness, liver and kidney damage, sleep disorders & muscle spasms. Follow SeedsNow.com's board Rue on Pinterest.

    View on Seeds Now
Family
Rutaceae
Category
Herb
Form
Bush
Lifecycle
perennial
Zone
4-13
Height
2–3 ft
Spread
1.5–2 ft
Sun
Full sun

Plant spacing

1 plant per square footSquare-foot planting diagram: one rue fills a 1-foot square, spaced 12 inches from its neighbors.
1 plant per square foot

In a square-foot bed, space rue about 12 in apart — that fits 1 plant in each 1-foot square (1×1). Wider rows or containers space the same.

Water
Dry to medium

Plan your rue planting

Add rue to a free GardenDraft plan and get sow, transplant, and harvest dates computed for your ZIP code — with a drag-and-drop bed layout and reminders when it’s time to plant.

Start your free plan →

At a glance

Days to harvest
64–86 days
From transplant or sow to first harvest
Harvest style
Keep picking
Crops over several weeks
Frost tolerance
Hardy · to ~15°F
Lowest temperature the foliage usually survives
Succession
Good for succession sowing

Storing & preserving

Refrigerate stems in water, or wrap in a damp towel for a few days.

  • Dry: Dehydrate or air-dry, then store airtight away from light.
  • Freeze: Freeze chopped in oil or water in ice-cube trays.

General home-preservation guidance — for tested processing times and safety, follow the National Center for Home Food Preservation.

Growing timeline

When to plant and harvest ruePlanting timeline for rue, relative to last frost: start indoors from 10 weeks before last frost to 2 weeks before last frost; grow from 2 weeks before last frost to 7 weeks after last frost; harvest from 7 weeks after last frost to 10 weeks after last frost.Start indoorsGrowHarvestLast frostTransplant
Start rue indoors ~8 weeks before transplanting 2 weeks before last frost; first harvest 7 weeks after last frost.
Seed to transplant
42-56 days
Outdoor planting
-14 to 0 days vs frost
Propagation
Seed
Schedule anchor
Last Frost

Companion planting — with cited sources

From US/Canada cooperative-extension publications and peer-reviewed studies. Evidence-tier dots show how strongly each recommendation is backed: ●●● peer-reviewed mechanism · ●● extension consensus · traditional knowledge with a plausible mechanism.

Avoid planting near (4)

  • BasilEvidence tier C: Traditional practice with plausible mechanism but limited empirical replicationallelopathy-negative

    Rue is allelopathic: basil is reported to grow poorly near it due to compounds released from its roots and leaf litter.

    Source: S7, Putnam & Tang

  • Common CabbageEvidence tier C: Traditional practice with plausible mechanism but limited empirical replicationallelopathy-negative

    Rue is traditionally kept away from cabbage.

    Source: S7

  • Common CucumberEvidence tier C: Traditional practice with plausible mechanism but limited empirical replicationallelopathy-negative

    Cucumbers are reported to do poorly near rue.

    Source: S7

  • Common SageEvidence tier C: Traditional practice with plausible mechanism but limited empirical replicationallelopathy-negative

    Sage suffers near rue's allelopathic exudates.

    Source: S7, Putnam & Tang

Sources cited

S36
Putnam & Tang (eds.), 1986 — allelopathy compendium
S7
University of Minnesota Extension

Care & troubleshooting

No curated care & troubleshooting advice for rue yet. Our extension-sourced library currently focuses on common edible crops; we're expanding it over time.