Big Blue Salvia grow and care – shrub of the genus Salvia also known as Blue salvia or Salvia longispicata x farinacea, Big Blue Salvia perennial evergreen plant or as annual plant in cold climate, grow as fragrant ornamental plant and attract pollinators , can grow in tropic, mediterranean, subtropical or temperate climate and growing in hardiness zone 9-12 as perennial or 6+ as annual.
Leaves color green in heart shape.
Big Blue Salvia flower
Flower color purple-blue, the flower small and grow on stalk, flowers attract pollinator.
Big Blue Salvia for sale – Seeds or Plants to Buy
How to grow Big Blue Salvia – growing and care:
Moist soil, rich soil, mulch to keep the moist
How to care:
Put fertilizer once a year, winter care require over that plant in the base possible with wood chip or dead leaves
What is the best way to start growing?
Plant / Seed (care instruction bellow) / Vegetative reproduction- possible by bending a branch over and covering it with soil, or by cutting, the cutting possible to put in water and switch the water every few days or put the stem in soil better peat soil and better with root growth hormone, in both cutting methods better to do it in warm spring or in autumn in hardiness zone 10b-11 in half shade
Is it necessary to graft or use vegetative reproduction?
Yes, it’s an hybrid and can’t ensure that will be the same flowers
Difficulties or problems when growing:
Aggressive
Planting season?
Spring in hardiness zone 6-9 as annual, spring to summer in hardiness zone 9, spring or autumn in hardiness zone 10b, if the summer not too much hot possible in summer, all year in hardiness zone 11,
Pests and diseases:
Aphids, white fly
Pruning season:
All year
How to prune:
Just for design
Size of the plant:
40-90 cm, 16-36 inches
Growth speed in optimal condition:
Fast growing / Medium growing
Water requirement:
Average amount of water
Light conditions in optimal condition for growing:
Full Sun / Half Shade
Is it possible to grow indoor as houseplant?
No
Growing is also possible in a planter / flower pot / containers:
Yes, when grow in container, size 10-20L (2.6-5.2 gallons), require small to average amount of water with well-drained soil and the water go out of the pot, better not to use bottom of pot, every few years to switch soil can be all or just part of the soil, soil need to be well ventilated and make enough hole in the containers with good drainage, can us in potting mix or peat soil with perlite or vermiculite and add rich soil with organic matter
Blooming information
Bloom season:
Summer / Autumn
General information about the flower
Purple-blue flower small and grow on stalk, flowers attract pollinator
How to grow Big Blue Salvia from seeds
Sowing requirement:
Better to sow it in temperature of 20-25C (68-77F) possible in 15-29C (59-84F) but will take more time to germinate and less seeds will germinate
Saving and care seeds until sowing:
Dry and dark location better in root temperature or refrigerator
Sowing season:
Spring to summer in hardiness zone lower than 10a (include) but better in spring, autumn to winter in hardiness zone 10b+ spring, autumn or winter, and better not to sow it in hot summer days
How to plant:
Plant in sunny location until 25C (77F), temperature that will be above in half shade
Planting spacing:
30*40cm (12*16 inches)
Depth of Sowing:
3-6mm (0.2-0.4 inch)
Conditions for seeds germinate:
Moist soil, humidity, sunny location
Watering requires for Seeds:
Average amount of water, don’t let the soil dry and keep the soil moist
Germination time:
2-3 weeks in optimal condition but can take 5 weeks
Condition of seedling:
Moist soil, sunny location but if it’s in the summer need to increase the amount of water
Scientific name:
Salvia longispicata x farinacea
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