About Blue Tansy
Scorpian weed is an annual widely used in Europe and is gaining traction in the US. It propagates easily from seed and is attractive to pollinators. It is drought tolerant, prefers full sun and withstands sandy or rocky soil. It's winter hardy to 18 degrees F.
Also known as
Lacy Phacelia, Lacy Phacelia, Blue tansy and Purple tansy
How to care for Blue Tansy
How often to water your Blue Tansy
Blue Tansy needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
Check the growing potential in your area
A plant's growing potential is determined from its location, the time of year, and current local weather.
Select a city to check sunlight intensity
Finding light for Lacy Phacelia in your home
Blue Tansy love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Blue Tansy does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Blue Tansy in your home 🏡.
How to fertilize Blue Tansy
Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Blue Tansy after it doubles in size or once a year—whichever comes first.
Blue Tansy is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!
Blue Tansy prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Blue Tansy requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.
Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA at US (888) 426-4435.
Blue Tansy does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Blue Tansy is a fast growing plant and may deplete the nutrients in its soil over time. Replenish them with a gentle organic fertilizer or compost every 1-2 months depending on your location and season. Fertilize more often during the growing season and in warmer and brighter climates.
Blue Tansy grows vertically and new growth will emerge from the top of the plant.
The seeds of Blue Tansy can be used to grow new plants! After your plant flowers, any seeds that formed can be collected and germinated in potting soil.
Care Summary for Blue Tansy
0.5 cups every 9 days
< 1ft from a window
Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.