A detailed guide to harvesting rose hips at the right time, storing them, and using them for seed collection, food, and crafts.
要點總結
A detailed guide to harvesting rose hips at the right time, storing them, and using them for seed collection, food, and crafts.
After the rose flower has faded, the receptacle swells and turns orange to red—this fruit is called "rosehip." These highly nutritious fruits contain vitamin C levels dozens of times higher than citrus fruits and can be used for herbal tea, jam, craft materials, and much more. This guide explains the proper harvesting and use of rosehips, which are essential for seed collection in breeding.
Not all roses produce rosehips—there is significant variation by variety.
Varieties with abundant fruit production - Rosa canina (Dog Rose): A wild species native to Europe, most commonly used for herbal tea - Rosa rugosa (Wrinkled Rose): Produces large, red rosehips; popular for both culinary and ornamental use - Rosa moyesii: Produces beautiful deep crimson, elongated rosehips; favored for ornamental purposes - Rosa glauca (Redleaf Rose): A decorative variety with small red fruits clustered like bells - Single-bloom Old Garden Roses: Alba, Maiden's Blush, and Damask varieties in single bloom form
Varieties that produce few fruits Most modern roses (Hybrid Tea and Floribunda) have double flowers with many petals, making them low in pollen and difficult to pollinate, so they produce few fruits.
Signs of rosehip maturity include:
If overripe, the fruit becomes too soft to handle; if underripe, acidity is too strong. The optimal timing is when they're orange to red with moderate firmness. In Japan, late October through December is the peak harvest season for most varieties.
Harvesting method
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Cut rosehips at the base (below the sepals) using scissors or a knife. Bare-handed work can result in fine thorns pricking the skin, so thin rubber gloves are helpful.
Storage methods
Rosehip Tea
Crush dried rosehips and steep in hot water for 5–10 minutes. It produces a vibrant red to orange color with a fruity flavor combining tartness and sweetness. To preserve vitamin C, water around 85°C is preferred over boiling water.
Blending with hibiscus, ginger, or cinnamon enriches the flavor profile.
Rosehip Jam and Marmalade
Cut rosehips lengthwise in half and carefully remove the seeds and hairs (prickly setae) from inside. These hairs can be uncomfortable if stuck in the throat, so thorough removal is essential.
Place fruit in a pot with an equal amount of water and simmer for 20–30 minutes until soft. Add sugar (70–80% of the fruit's weight) and simmer another 20–30 minutes. Adding lemon juice produces vibrant color.
Rosehip Syrup
Strain the cooked liquid to make syrup. Add sugar for preservation and use diluted with sparkling water or as a sauce for yogurt and ice cream.
One of rosehip's most important uses is seed collection for developing new varieties.
Extracting seeds
Cut mature rosehips lengthwise and remove the seeds inside. Thoroughly rinse away the prickly hairs surrounding the seeds and discard any seeds that float in water (sterile seeds). Seeds that sink are viable.
Cold stratification (Stratification)
Roses seeds have deep dormancy and may not germinate readily on their own. Wrapping them in moistened vermiculite or sphagnum and storing in a 4–5°C refrigerator for 2–3 months increases germination rates.
Sowing and germination
After cold stratification, sow on germination medium (seed-starting soil) at room temperature (20–25°C). Germination can take 1–6 months, requiring patience.
Vibrant red rosehips can be used in dried flower arrangements and wreath-making. Completely dried rosehips retain their color and add brilliance to Christmas and autumn wreaths.
Rosehips still attached to stems can be immersed in glycerin solution (1 part glycerin to 2 parts water) for 2–3 weeks, creating a soft, preserved material with more natural texture for craft projects.