Exposure Full-sun
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Phacelia tanacetifolia. Pale, mauve-blue, fragrant flowers unfold like ferns at the top of long leafy stems and attracts bees from miles around. The delicate, lacy foliage bears a resemblance to yarrow. It fits in the vegetable garden as a cover crop or in a garden bed for quirky purple flowers. Direct sow Purple Tansy seeds at three week intervals from April to June and expect a staggered, much extended bloom period. Phacelia grows to 60cm (24") in full sun or part shade. Plant Phacelia any place where pollination has not been sufficient, as it is such a lure for pollinators. It's a good companion plant for any of the Cucurbits - cucumbers, melons, and squashes.
If planting as a cover crop, use 2.2kg per acre. Denser planting will control weeds.
Annual
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Latin
Latin
Phacelia tanacetifolia
Family: Boraginaceae
Difficulty
Difficulty
Easy
Season & Zone
Season & Zone
Exposure: Full sun
Timing
Timing
There is no real need to start Phacelia indoors. Direct sow every couple of weeks from last frost to mid-June. This will produce a summer full of flowers and flowers full of pollinators. Seeds will germinate in 12-30 days.
Starting
Starting
Sow 5mm (¼”) deep, and space or thin to 10-20cm (4-8″) apart.
Growing
Growing
Ordinary, well-drained garden soil is what makes Phacelia thrive. It will die back during a long, hot stretch of weather, so it’s ideal for the cooler seasons of spring and fall. Phacelia plants may self sow.
Note: Some people have a bad skin reaction to the plants, so wear gloves when pulling out finished plants.
West Coast Seeds is a family-owned company that embraces an organic lifestyle. A group of imagination catalysts and passionate educators, dedicated to producing products and services that better the environment. As part of our mission to repair the earth, we aim to inspire and empower people to take responsibility for the state of the planet. For us, organic is about much more than saying no to chemicals, it is about saying yes to building a healthy soil for the future.
For over 35 years, we have upheld our strong reputation as a leading seed supplier, seeking out the highest quality untreated seeds for organic growing and putting them through rigorous independent testing. We built our company on the exchange of generational wisdom in a masterclass community of newbies and masters alike. Our world may have changed, but our commitment to our people, our customers, and our planet has not.
We’re a values-based business that has blossomed into a lifestyle ethos, with products that support seeders, feeders, keepers, and the tiniest of creepers. Our mission? To mobilize the next generation of gardeners with products that nourish soil and grow vigorous, sustainable gardens. We believe all plants should be grown without the use of chemicals, and that the seeds we supply are an important component of regenerative gardening.
We don’t just offer seeds, we offer experience, insight, and understanding. From timeless garden wisdom to new tech know-how, this is learning on the job: knowledge gleaned not from the pages of a book but from burying our fingers in the soil. We test, experiment, observe and adapt, never happier than when we get to share what we’ve learned with others.
Gardens don’t just grow seeds. They grow minds and imaginations, people and communities. Our vision encompasses both the micro and the macro. We eat locally, protect pollinators, teach people to grow from seed, and support regional biodiversity. We think big but act small and deliver unexpected impact — always with community and purpose.
At West Coast Seeds we believe in the power of small and that little can be large. Like the tiniest seed germinates to evoke incremental change with massive potential, so to can our community of gardeners and growers together. Gardeners are the earth’s stewards, planting seeds of creative declaration. The soil provides the canvas, we provide the seeds.
There is no real need to start Phacelia indoors. Direct sow every couple of weeks from last frost to mid-June. This will produce a summer full of flowers and flowers full of pollinators. Seeds will germinate in 12-30 days.
Sow 5mm (¼”) deep, and space or thin to 10-20cm (4-8″) apart.
Ordinary, well-drained garden soil is what makes Phacelia thrive. It will die back during a long, hot stretch of weather, so it’s ideal for the cooler seasons of spring and fall. Phacelia plants may self sow.
