Astilbe arendsii grow and care – herbaceous rhizome of the genus Astilbe also known as False spirea, Astilbe arendsii perennial evergreen or deciduous used as ornamental fragrant cut flower plant, can grow in temperate or cold mediterranean or subtropics climate and growing in hardiness zone 3-9.
Leaves color green elliptic with serrated margin some leaves grow in groups 3 to 7 leaves.
Cold climate, mulch, in warm summer area better to plant them in the coldest point and in the shade, rich soil and organic matter it keep the soil moist, organic matter mixed with lighter soil for drainage for example coco soil
What is the best way to start growing? Plant / Seed, sowing in the spring keep the soil moist / Vegetative reproduction
Is it necessary to use vegetative reproduction? No, possible but to grow from seeds it’s easy and might die in the transplant, better to transfer the plant in the autumn or early spring
Difficulties or problems when growing: Sensitive to transplant
Planting season: Spring, summer (be aware that better not in hot days, check temperature for the next week before plant it), also possible to plant it in the autumn to the winter, but need to be fully growing plants, when start from seeds better to sow them direct in the soil in the early spring or even in the winter, seeds need before sowing burying (chilling hours)
Pests and diseases: Thrips, aphids, leaf spot
Pruning season: Winter
How to prune: Dead flower and for design
Size of the plant? 20-60 cm, 8-24 inches
Growth speed in optimal condition: Fast growing / medium growing
Water requirement: Average amount of water / big amount of water, the plants require big amount of water but it doesn’t wet soil or puddle, the plant need good drained, if the drainage not good put less water don’t let the water stand, and better to water it few time a day and then you can use less water and the soil can absorb and use better in water
Light conditions in optimal condition for growing: Half Shade, be aware that in area with hot summer the plant might be burn in the sun and even die / Full Shade
Is it possible to grow as houseplant? Yes
Growing is also possible in a planter /flowerpot / containers: Yes, need to switch every few years the soil, (when the soil doesn’t absorb the water well), this plant is sensitive to standing water need to make holes in the bottom of pots in order to allow excess water to flow out, if the water standing in the pot make more holes and check the soil viability.
Bloom season: Spring / Summer / Autumn
General information about the flower: Fragrant flowers color can be: red, white, pink, purple or orange, the leaves small growing in inflorescence, in cones shape.