Vol. IX · No. 40 Brackwater Seed Library Wednesday, 30 September 2026
The Seed Almanac
Fig. 52. Phacelia ‘Tansy phacelia’. Hydrophyllaceae.

Phacelia ‘Tansy phacelia’

Phacelia tanacetifolia · Flower · No. 52

Sow under cover
—
Sow outdoors
Mar–Sep
Flowers
Jun–Oct
Germination
7–14 days
Spacing
15 cm in the row, 20 cm between rows
Days to flower
60–80 from sowing
Sun
Full sun
Seed saving
Easy

300 seeds per packet
9 packets on the shelf

Months for Phacelia ‘Tansy phacelia’
JFMAMJJASOND
OutdoorsMarchAprilMayJuneJulyAugustSeptember
FlowersJuneJulyAugustSeptemberOctober

Notes

Lavender flowers, also a green manure. Dig in before it seeds or keep some to save.

Saving seed · Easy

Self-pollinating annual. Seed ripens the same season. Keep 3 m from other varieties of the same plant.

  1. Mark two or three healthy plants early.
  2. Leave the fruit, pod or head to ripen fully on the plant.
  3. Dry the seed 7–14 days on paper, out of direct sun.

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