[64] Hydrangea Soil Ph Color Kostenlos
You see for most french hydrangeas hydrangea macrophylla the flower color indicates the ph of the soil.
Hydrangea Soil Ph Color Herunterladen. Hydrangeas change color except for the white ones based on the ph level of their soil. Soils with a ph greater than 5 5 produce pink flowers. There are others which produce white flowers or white going on pink blooms.
For purple blooms or a mix of blue and pink flowers on the same plant the ph of the soil must be 5 5 and ph 6 5. Extra information and ideas the choice of fertilzer will also affect the color change. Require moist well drained soil the ph level of the soil will affect the colour of the flowers although white and green flowering cultivars will remain the same.
To confirm your soil s ph level let s test a sample. Slightly acid to slightly alkaline soils with a ph of 6 to 7 5 will result in pink flowers. Late spring to early autumn.
In alkaline soil ph above 7 flowers turn pink or even red. White hydrangea color is not affected by the soil ph. Most varieties of hydrangea including the ones mentioned above are hardy deciduous shrubs.
In other words acidic soils with a ph of less than 5 5 produce blue flowers. If the soil naturally contains aluminum and is acid low ph the color of the hydrangea will automatically tend toward shades of blue and or purple. The quintessential blooms however are the bright pink purple and blue varieties of bigleaf hydrangeas.
To encourage blue hydrangea flowers grow the plant in soil that has a ph of 5 2 5 5. A fertilizer low in phosphorus and high in potassium is helpful in producing a good blue color. The more alkaline the soil the pinker the flowers.
Soil ph determines the color of pink and blue hydrangeas. Soil chemistry and color the most commonly grown varieties of hydrangeas are the bigleaf varieties. Soil ph can also be lowered more gradually by applying an acidic organic mulch such as pine needles or pine bark.
Full sun or partial shade. The choice of fertilzer will also affect the color change. For pink flowers the plants need neutral to alkaline soils ph 6 5 and higher.
If the soil naturally contains aluminum and is acid low ph the color of the hydrangea will automatically tend toward shades of blue and or purple. If your soil is more alkaline you can lower the ph by applying soil acidifier at the rate specified on the package. Acid soil with a ph of 5 5 to 5 yields blue or purple hydrangeas.
The white flowers stay white color can never be changed and usually prefer the same conditions as the pinks and reds. A fertilizer low in phosphorus and high in potassium is helpful in producing a good blue color 25 5 30 is good. For true blue flowers the hydrangeas need to be grown in acidic soil ph 5 5 and lower.
If the soil ph is between 5 5 and 6 the blooms tend to turn less desirable shades of mauve. In strongly acid soil ph below 6 flowers turn blue.